Cleanup: Animation, split FCurve interpolation into separate function
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9c2c697011
commit
5b6ee80351
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@ -1462,11 +1462,10 @@ static float fcurve_eval_keyframes_extrapolate(
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return endpoint_bezt->vec[1][1] - (fac * dx);
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}
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/* Calculate F-Curve value for 'evaltime' using BezTriple keyframes */
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static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime)
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static float fcurve_eval_keyframes_interpolate(FCurve *fcu, BezTriple *bezts, float evaltime)
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{
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const float eps = 1.e-8f;
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BezTriple *bezt, *prevbezt, *lastbezt;
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BezTriple *bezt, *prevbezt;
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float v1[2], v2[2], v3[2], v4[2], opl[32];
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unsigned int a;
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int b;
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@ -1476,329 +1475,332 @@ static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime
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a = fcu->totvert - 1;
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prevbezt = bezts;
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bezt = prevbezt + 1;
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lastbezt = prevbezt + a;
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/* evaluation time at or past endpoints? */
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if (prevbezt->vec[1][0] >= evaltime) {
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cvalue = fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, 0, +1);
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}
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else if (lastbezt->vec[1][0] <= evaltime) {
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cvalue = fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, fcu->totvert - 1, -1);
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/* evaltime occurs somewhere in the middle of the curve */
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bool exact = false;
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/* Use binary search to find appropriate keyframes...
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*
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* The threshold here has the following constraints:
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* - 0.001 is too coarse:
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* We get artifacts with 2cm driver movements at 1BU = 1m (see T40332)
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*
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* - 0.00001 is too fine:
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* Weird errors, like selecting the wrong keyframe range (see T39207), occur.
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* This lower bound was established in b888a32eee8147b028464336ad2404d8155c64dd.
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*/
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a = binarysearch_bezt_index_ex(bezts, evaltime, fcu->totvert, 0.0001, &exact);
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if (exact) {
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/* index returned must be interpreted differently when it sits on top of an existing keyframe
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* - that keyframe is the start of the segment we need (see action_bug_2.blend in T39207)
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*/
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prevbezt = bezts + a;
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bezt = (a < fcu->totvert - 1) ? (prevbezt + 1) : prevbezt;
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}
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else {
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/* evaltime occurs somewhere in the middle of the curve */
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bool exact = false;
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/* Use binary search to find appropriate keyframes...
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*
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* The threshold here has the following constraints:
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* - 0.001 is too coarse:
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* We get artifacts with 2cm driver movements at 1BU = 1m (see T40332)
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*
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* - 0.00001 is too fine:
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* Weird errors, like selecting the wrong keyframe range (see T39207), occur.
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* This lower bound was established in b888a32eee8147b028464336ad2404d8155c64dd.
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/* index returned refers to the keyframe that the eval-time occurs *before*
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* - hence, that keyframe marks the start of the segment we're dealing with
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*/
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a = binarysearch_bezt_index_ex(bezts, evaltime, fcu->totvert, 0.0001, &exact);
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bezt = bezts + a;
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prevbezt = (a > 0) ? (bezt - 1) : bezt;
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}
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if (exact) {
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/* index returned must be interpreted differently when it sits on top of an existing keyframe
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* - that keyframe is the start of the segment we need (see action_bug_2.blend in T39207)
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*/
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prevbezt = bezts + a;
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bezt = (a < fcu->totvert - 1) ? (prevbezt + 1) : prevbezt;
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}
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else {
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/* index returned refers to the keyframe that the eval-time occurs *before*
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* - hence, that keyframe marks the start of the segment we're dealing with
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*/
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bezt = bezts + a;
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prevbezt = (a > 0) ? (bezt - 1) : bezt;
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}
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/* use if the key is directly on the frame,
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* rare cases this is needed else we get 0.0 instead. */
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/* XXX: consult T39207 for examples of files where failure of these checks can cause issues */
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if (exact) {
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cvalue = prevbezt->vec[1][1];
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}
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else if (fabsf(bezt->vec[1][0] - evaltime) < eps) {
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cvalue = bezt->vec[1][1];
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}
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/* evaltime occurs within the interval defined by these two keyframes */
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else if ((prevbezt->vec[1][0] <= evaltime) && (bezt->vec[1][0] >= evaltime)) {
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const float begin = prevbezt->vec[1][1];
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const float change = bezt->vec[1][1] - prevbezt->vec[1][1];
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const float duration = bezt->vec[1][0] - prevbezt->vec[1][0];
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const float time = evaltime - prevbezt->vec[1][0];
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const float amplitude = prevbezt->amplitude;
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const float period = prevbezt->period;
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/* use if the key is directly on the frame,
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* rare cases this is needed else we get 0.0 instead. */
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/* XXX: consult T39207 for examples of files where failure of these checks can cause issues */
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if (exact) {
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/* value depends on interpolation mode */
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if ((prevbezt->ipo == BEZT_IPO_CONST) || (fcu->flag & FCURVE_DISCRETE_VALUES) ||
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(duration == 0)) {
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/* constant (evaltime not relevant, so no interpolation needed) */
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cvalue = prevbezt->vec[1][1];
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}
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else if (fabsf(bezt->vec[1][0] - evaltime) < eps) {
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cvalue = bezt->vec[1][1];
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}
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/* evaltime occurs within the interval defined by these two keyframes */
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else if ((prevbezt->vec[1][0] <= evaltime) && (bezt->vec[1][0] >= evaltime)) {
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const float begin = prevbezt->vec[1][1];
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const float change = bezt->vec[1][1] - prevbezt->vec[1][1];
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const float duration = bezt->vec[1][0] - prevbezt->vec[1][0];
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const float time = evaltime - prevbezt->vec[1][0];
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const float amplitude = prevbezt->amplitude;
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const float period = prevbezt->period;
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else {
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switch (prevbezt->ipo) {
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/* interpolation ...................................... */
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case BEZT_IPO_BEZ:
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/* bezier interpolation */
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/* (v1, v2) are the first keyframe and its 2nd handle */
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v1[0] = prevbezt->vec[1][0];
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v1[1] = prevbezt->vec[1][1];
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v2[0] = prevbezt->vec[2][0];
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v2[1] = prevbezt->vec[2][1];
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/* (v3, v4) are the last keyframe's 1st handle + the last keyframe */
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v3[0] = bezt->vec[0][0];
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v3[1] = bezt->vec[0][1];
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v4[0] = bezt->vec[1][0];
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v4[1] = bezt->vec[1][1];
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/* value depends on interpolation mode */
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if ((prevbezt->ipo == BEZT_IPO_CONST) || (fcu->flag & FCURVE_DISCRETE_VALUES) ||
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(duration == 0)) {
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/* constant (evaltime not relevant, so no interpolation needed) */
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cvalue = prevbezt->vec[1][1];
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}
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else {
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switch (prevbezt->ipo) {
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/* interpolation ...................................... */
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case BEZT_IPO_BEZ:
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/* bezier interpolation */
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/* (v1, v2) are the first keyframe and its 2nd handle */
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v1[0] = prevbezt->vec[1][0];
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v1[1] = prevbezt->vec[1][1];
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v2[0] = prevbezt->vec[2][0];
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v2[1] = prevbezt->vec[2][1];
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/* (v3, v4) are the last keyframe's 1st handle + the last keyframe */
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v3[0] = bezt->vec[0][0];
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v3[1] = bezt->vec[0][1];
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v4[0] = bezt->vec[1][0];
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v4[1] = bezt->vec[1][1];
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if (fabsf(v1[1] - v4[1]) < FLT_EPSILON && fabsf(v2[1] - v3[1]) < FLT_EPSILON &&
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fabsf(v3[1] - v4[1]) < FLT_EPSILON) {
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/* Optimization: If all the handles are flat/at the same values,
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* the value is simply the shared value (see T40372 -> F91346)
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*/
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cvalue = v1[1];
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}
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else {
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/* adjust handles so that they don't overlap (forming a loop) */
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correct_bezpart(v1, v2, v3, v4);
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if (fabsf(v1[1] - v4[1]) < FLT_EPSILON && fabsf(v2[1] - v3[1]) < FLT_EPSILON &&
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fabsf(v3[1] - v4[1]) < FLT_EPSILON) {
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/* Optimization: If all the handles are flat/at the same values,
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* the value is simply the shared value (see T40372 -> F91346)
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*/
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cvalue = v1[1];
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/* try to get a value for this position - if failure, try another set of points */
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b = findzero(evaltime, v1[0], v2[0], v3[0], v4[0], opl);
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if (b) {
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berekeny(v1[1], v2[1], v3[1], v4[1], opl, 1);
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cvalue = opl[0];
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/* break; */
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}
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else {
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/* adjust handles so that they don't overlap (forming a loop) */
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correct_bezpart(v1, v2, v3, v4);
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/* try to get a value for this position - if failure, try another set of points */
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b = findzero(evaltime, v1[0], v2[0], v3[0], v4[0], opl);
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if (b) {
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berekeny(v1[1], v2[1], v3[1], v4[1], opl, 1);
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cvalue = opl[0];
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/* break; */
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}
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else {
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if (G.debug & G_DEBUG) {
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printf(" ERROR: findzero() failed at %f with %f %f %f %f\n",
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evaltime,
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v1[0],
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v2[0],
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v3[0],
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v4[0]);
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}
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if (G.debug & G_DEBUG) {
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printf(" ERROR: findzero() failed at %f with %f %f %f %f\n",
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evaltime,
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v1[0],
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v2[0],
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v3[0],
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v4[0]);
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}
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}
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break;
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}
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break;
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case BEZT_IPO_LIN:
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/* linear - simply linearly interpolate between values of the two keyframes */
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cvalue = BLI_easing_linear_ease(time, begin, change, duration);
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break;
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case BEZT_IPO_LIN:
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/* linear - simply linearly interpolate between values of the two keyframes */
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cvalue = BLI_easing_linear_ease(time, begin, change, duration);
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break;
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/* easing ............................................ */
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case BEZT_IPO_BACK:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_back_ease_in(time, begin, change, duration, prevbezt->back);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_back_ease_out(time, begin, change, duration, prevbezt->back);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_back_ease_in_out(
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time, begin, change, duration, prevbezt->back);
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break;
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/* easing ............................................ */
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case BEZT_IPO_BACK:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_back_ease_in(time, begin, change, duration, prevbezt->back);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_back_ease_out(time, begin, change, duration, prevbezt->back);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_back_ease_in_out(time, begin, change, duration, prevbezt->back);
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break;
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default: /* default/auto: same as ease out */
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cvalue = BLI_easing_back_ease_out(time, begin, change, duration, prevbezt->back);
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break;
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}
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break;
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default: /* default/auto: same as ease out */
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cvalue = BLI_easing_back_ease_out(time, begin, change, duration, prevbezt->back);
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break;
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}
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break;
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case BEZT_IPO_BOUNCE:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_bounce_ease_in(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_bounce_ease_out(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_bounce_ease_in_out(time, begin, change, duration);
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break;
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case BEZT_IPO_BOUNCE:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_bounce_ease_in(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_bounce_ease_out(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_bounce_ease_in_out(time, begin, change, duration);
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break;
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default: /* default/auto: same as ease out */
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cvalue = BLI_easing_bounce_ease_out(time, begin, change, duration);
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break;
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}
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break;
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default: /* default/auto: same as ease out */
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cvalue = BLI_easing_bounce_ease_out(time, begin, change, duration);
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break;
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}
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break;
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case BEZT_IPO_CIRC:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_circ_ease_in(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_circ_ease_out(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_circ_ease_in_out(time, begin, change, duration);
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break;
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case BEZT_IPO_CIRC:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_circ_ease_in(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_circ_ease_out(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_circ_ease_in_out(time, begin, change, duration);
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break;
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default: /* default/auto: same as ease in */
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cvalue = BLI_easing_circ_ease_in(time, begin, change, duration);
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break;
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}
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break;
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default: /* default/auto: same as ease in */
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cvalue = BLI_easing_circ_ease_in(time, begin, change, duration);
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break;
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}
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break;
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case BEZT_IPO_CUBIC:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_cubic_ease_in(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_cubic_ease_out(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_cubic_ease_in_out(time, begin, change, duration);
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break;
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case BEZT_IPO_CUBIC:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_cubic_ease_in(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_cubic_ease_out(time, begin, change, duration);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_cubic_ease_in_out(time, begin, change, duration);
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break;
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default: /* default/auto: same as ease in */
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cvalue = BLI_easing_cubic_ease_in(time, begin, change, duration);
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break;
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}
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break;
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default: /* default/auto: same as ease in */
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cvalue = BLI_easing_cubic_ease_in(time, begin, change, duration);
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break;
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}
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break;
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case BEZT_IPO_ELASTIC:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_elastic_ease_in(
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time, begin, change, duration, amplitude, period);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_elastic_ease_out(
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time, begin, change, duration, amplitude, period);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_elastic_ease_in_out(
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time, begin, change, duration, amplitude, period);
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break;
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case BEZT_IPO_ELASTIC:
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switch (prevbezt->easing) {
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case BEZT_IPO_EASE_IN:
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cvalue = BLI_easing_elastic_ease_in(
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time, begin, change, duration, amplitude, period);
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break;
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case BEZT_IPO_EASE_OUT:
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cvalue = BLI_easing_elastic_ease_out(
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time, begin, change, duration, amplitude, period);
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break;
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case BEZT_IPO_EASE_IN_OUT:
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cvalue = BLI_easing_elastic_ease_in_out(
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time, begin, change, duration, amplitude, period);
|
||||
break;
|
||||
|
||||
default: /* default/auto: same as ease out */
|
||||
cvalue = BLI_easing_elastic_ease_out(
|
||||
time, begin, change, duration, amplitude, period);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default: /* default/auto: same as ease out */
|
||||
cvalue = BLI_easing_elastic_ease_out(
|
||||
time, begin, change, duration, amplitude, period);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case BEZT_IPO_EXPO:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_expo_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_expo_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_expo_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EXPO:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_expo_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_expo_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_expo_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_expo_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_expo_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case BEZT_IPO_QUAD:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_quad_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_quad_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_quad_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_QUAD:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_quad_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_quad_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_quad_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_quad_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_quad_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case BEZT_IPO_QUART:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_quart_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_quart_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_quart_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_QUART:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_quart_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_quart_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_quart_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_quart_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_quart_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case BEZT_IPO_QUINT:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_quint_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_quint_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_quint_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_QUINT:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_quint_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_quint_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_quint_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_quint_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_quint_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case BEZT_IPO_SINE:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_sine_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_sine_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_sine_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_SINE:
|
||||
switch (prevbezt->easing) {
|
||||
case BEZT_IPO_EASE_IN:
|
||||
cvalue = BLI_easing_sine_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_OUT:
|
||||
cvalue = BLI_easing_sine_ease_out(time, begin, change, duration);
|
||||
break;
|
||||
case BEZT_IPO_EASE_IN_OUT:
|
||||
cvalue = BLI_easing_sine_ease_in_out(time, begin, change, duration);
|
||||
break;
|
||||
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_sine_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default: /* default/auto: same as ease in */
|
||||
cvalue = BLI_easing_sine_ease_in(time, begin, change, duration);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
cvalue = prevbezt->vec[1][1];
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (G.debug & G_DEBUG) {
|
||||
printf(" ERROR: failed eval - p=%f b=%f, t=%f (%f)\n",
|
||||
prevbezt->vec[1][0],
|
||||
bezt->vec[1][0],
|
||||
evaltime,
|
||||
fabsf(bezt->vec[1][0] - evaltime));
|
||||
default:
|
||||
cvalue = prevbezt->vec[1][1];
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (G.debug & G_DEBUG) {
|
||||
printf(" ERROR: failed eval - p=%f b=%f, t=%f (%f)\n",
|
||||
prevbezt->vec[1][0],
|
||||
bezt->vec[1][0],
|
||||
evaltime,
|
||||
fabsf(bezt->vec[1][0] - evaltime));
|
||||
}
|
||||
}
|
||||
|
||||
/* return value */
|
||||
return cvalue;
|
||||
}
|
||||
|
||||
/* Calculate F-Curve value for 'evaltime' using BezTriple keyframes */
|
||||
static float fcurve_eval_keyframes(FCurve *fcu, BezTriple *bezts, float evaltime)
|
||||
{
|
||||
if (evaltime <= bezts->vec[1][0]) {
|
||||
return fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, 0, +1);
|
||||
}
|
||||
|
||||
BezTriple *lastbezt = bezts + fcu->totvert - 1;
|
||||
if (lastbezt->vec[1][0] <= evaltime) {
|
||||
return fcurve_eval_keyframes_extrapolate(fcu, bezts, evaltime, fcu->totvert - 1, -1);
|
||||
}
|
||||
|
||||
return fcurve_eval_keyframes_interpolate(fcu, bezts, evaltime);
|
||||
}
|
||||
|
||||
/* Calculate F-Curve value for 'evaltime' using FPoint samples */
|
||||
static float fcurve_eval_samples(FCurve *fcu, FPoint *fpts, float evaltime)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue