Geometry Nodes: new Rotate Points node
This node updates the "rotation" attribute on points. Multiple ways to specify the rotation are supported. Differential Revision: https://developer.blender.org/D9883 Ref T83668.
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Notes:
blender-bot
2023-02-14 09:09:43 +01:00
Referenced by issue #83668, Rotate Points for the tree leaves use case
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@ -514,6 +514,7 @@ geometry_node_categories = [
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NodeItem("GeometryNodePointDistribute"),
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NodeItem("GeometryNodePointInstance"),
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NodeItem("GeometryNodePointSeparate"),
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NodeItem("GeometryNodeRotatePoints"),
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]),
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GeometryNodeCategory("GEO_UTILITIES", "Utilities", items=[
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NodeItem("ShaderNodeMapRange"),
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@ -1356,6 +1356,7 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
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#define GEO_NODE_ATTRIBUTE_COLOR_RAMP 1013
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#define GEO_NODE_POINT_SEPARATE 1014
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#define GEO_NODE_ATTRIBUTE_COMPARE 1015
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#define GEO_NODE_ROTATE_POINTS 1016
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/** \} */
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@ -4744,6 +4744,7 @@ static void registerGeometryNodes(void)
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register_node_type_geo_join_geometry();
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register_node_type_geo_attribute_mix();
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register_node_type_geo_attribute_color_ramp();
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register_node_type_geo_rotate_points();
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}
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static void registerFunctionNodes(void)
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@ -3260,6 +3260,25 @@ static void node_geometry_buts_attribute_color_ramp(uiLayout *layout,
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uiTemplateColorRamp(layout, ptr, "color_ramp", 0);
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}
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static void node_geometry_buts_rotate_points(uiLayout *layout,
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bContext *UNUSED(C),
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PointerRNA *ptr)
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{
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NodeGeometryRotatePoints *storage = (NodeGeometryRotatePoints *)((bNode *)ptr->data)->storage;
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uiItemR(layout, ptr, "type", DEFAULT_FLAGS | UI_ITEM_R_EXPAND, NULL, ICON_NONE);
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uiItemR(layout, ptr, "space", DEFAULT_FLAGS | UI_ITEM_R_EXPAND, NULL, ICON_NONE);
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uiLayout *col = uiLayoutColumn(layout, false);
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if (storage->type == GEO_NODE_ROTATE_POINTS_TYPE_AXIS_ANGLE) {
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uiItemR(col, ptr, "input_type_axis", DEFAULT_FLAGS, IFACE_("Axis"), ICON_NONE);
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uiItemR(col, ptr, "input_type_angle", DEFAULT_FLAGS, IFACE_("Angle"), ICON_NONE);
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}
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else {
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uiItemR(col, ptr, "input_type_rotation", DEFAULT_FLAGS, IFACE_("Rotation"), ICON_NONE);
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}
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}
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static void node_geometry_set_butfunc(bNodeType *ntype)
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{
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switch (ntype->type) {
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@ -3296,6 +3315,9 @@ static void node_geometry_set_butfunc(bNodeType *ntype)
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case GEO_NODE_ATTRIBUTE_COLOR_RAMP:
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ntype->draw_buttons = node_geometry_buts_attribute_color_ramp;
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break;
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case GEO_NODE_ROTATE_POINTS:
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ntype->draw_buttons = node_geometry_buts_rotate_points;
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break;
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}
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}
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@ -1111,6 +1111,19 @@ typedef struct NodeInputVector {
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float vector[3];
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} NodeInputVector;
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typedef struct NodeGeometryRotatePoints {
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/* GeometryNodeRotatePointsType */
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uint8_t type;
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/* GeometryNodeRotatePointsSpace */
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uint8_t space;
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/* GeometryNodeAttributeInputMode */
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uint8_t input_type_axis;
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uint8_t input_type_angle;
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uint8_t input_type_rotation;
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char _pad[3];
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} NodeGeometryRotatePoints;
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/* script node mode */
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#define NODE_SCRIPT_INTERNAL 0
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#define NODE_SCRIPT_EXTERNAL 1
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@ -1529,6 +1542,16 @@ typedef enum GeometryNodePointDistributeMethod {
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GEO_NODE_POINT_DISTRIBUTE_POISSON = 1,
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} GeometryNodePointDistributeMethod;
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typedef enum GeometryNodeRotatePointsType {
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GEO_NODE_ROTATE_POINTS_TYPE_EULER = 0,
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GEO_NODE_ROTATE_POINTS_TYPE_AXIS_ANGLE = 1,
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} GeometryNodeRotatePointsType;
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typedef enum GeometryNodeRotatePointsSpace {
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GEO_NODE_ROTATE_POINTS_SPACE_OBJECT = 0,
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GEO_NODE_ROTATE_POINTS_SPACE_POINT = 1,
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} GeometryNodeRotatePointsSpace;
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#ifdef __cplusplus
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}
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#endif
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@ -452,6 +452,11 @@ static const EnumPropertyItem rna_node_geometry_attribute_input_type_items_float
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ITEM_FLOAT,
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{0, NULL, 0, NULL, NULL},
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};
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static const EnumPropertyItem rna_node_geometry_attribute_input_type_items_vector[] = {
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ITEM_ATTRIBUTE,
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ITEM_VECTOR,
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{0, NULL, 0, NULL, NULL},
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};
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static const EnumPropertyItem rna_node_geometry_attribute_input_type_items_no_boolean[] = {
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ITEM_ATTRIBUTE,
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ITEM_FLOAT,
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@ -8584,6 +8589,66 @@ static void def_geo_attribute_color_ramp(StructRNA *srna)
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RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
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}
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static void def_geo_rotate_points(StructRNA *srna)
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{
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static const EnumPropertyItem type_items[] = {
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{GEO_NODE_ROTATE_POINTS_TYPE_AXIS_ANGLE,
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"AXIS_ANGLE",
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ICON_NONE,
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"Axis Angle",
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"Rotate around an axis by an angle"},
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{GEO_NODE_ROTATE_POINTS_TYPE_EULER,
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"EULER",
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ICON_NONE,
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"Euler",
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"Rotate around the x, y and z axis"},
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{0, NULL, 0, NULL, NULL},
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};
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static const EnumPropertyItem space_items[] = {
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{GEO_NODE_ROTATE_POINTS_SPACE_OBJECT,
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"OBJECT",
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ICON_NONE,
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"Object",
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"Rotate points in the local space of the object"},
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{GEO_NODE_ROTATE_POINTS_SPACE_POINT,
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"POINT",
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ICON_NONE,
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"Point",
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"Rotate every point in its local space (as defined by the 'rotation' attribute)"},
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{0, NULL, 0, NULL, NULL},
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};
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PropertyRNA *prop;
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RNA_def_struct_sdna_from(srna, "NodeGeometryRotatePoints", "storage");
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prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
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RNA_def_property_enum_items(prop, type_items);
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RNA_def_property_ui_text(prop, "Type", "Method used to describe the rotation");
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RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
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prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
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RNA_def_property_enum_items(prop, space_items);
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RNA_def_property_ui_text(prop, "Space", "Base orientation of the points");
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RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
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prop = RNA_def_property(srna, "input_type_axis", PROP_ENUM, PROP_NONE);
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RNA_def_property_enum_items(prop, rna_node_geometry_attribute_input_type_items_vector);
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RNA_def_property_ui_text(prop, "Input Type Axis", "");
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RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
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prop = RNA_def_property(srna, "input_type_angle", PROP_ENUM, PROP_NONE);
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RNA_def_property_enum_items(prop, rna_node_geometry_attribute_input_type_items_float);
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RNA_def_property_ui_text(prop, "Input Type Angle", "");
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RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
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prop = RNA_def_property(srna, "input_type_rotation", PROP_ENUM, PROP_NONE);
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RNA_def_property_enum_items(prop, rna_node_geometry_attribute_input_type_items_vector);
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RNA_def_property_ui_text(prop, "Input Type Rotation", "");
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RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_socket_update");
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}
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/* -------------------------------------------------------------------------- */
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static void rna_def_shader_node(BlenderRNA *brna)
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@ -155,6 +155,7 @@ set(SRC
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geometry/nodes/node_geo_point_distribute_poisson_disk.cc
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geometry/nodes/node_geo_point_instance.cc
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geometry/nodes/node_geo_point_separate.cc
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geometry/nodes/node_geo_rotate_points.cc
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geometry/nodes/node_geo_subdivision_surface.cc
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geometry/nodes/node_geo_transform.cc
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geometry/nodes/node_geo_triangulate.cc
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@ -42,6 +42,7 @@ void register_node_type_geo_point_separate(void);
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void register_node_type_geo_attribute_compare(void);
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void register_node_type_geo_attribute_mix(void);
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void register_node_type_geo_attribute_color_ramp(void);
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void register_node_type_geo_rotate_points(void);
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#ifdef __cplusplus
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}
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@ -284,6 +284,7 @@ DefNode(GeometryNode, GEO_NODE_ATTRIBUTE_MIX, def_geo_attribute_mix, "ATTRIBUTE_
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DefNode(GeometryNode, GEO_NODE_ATTRIBUTE_COLOR_RAMP, def_geo_attribute_color_ramp, "ATTRIBUTE_COLOR_RAMP", AttributeColorRamp, "Attribute Color Ramp", "")
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DefNode(GeometryNode, GEO_NODE_POINT_SEPARATE, 0, "POINT_SEPARATE", PointSeparate, "Point Separate", "")
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DefNode(GeometryNode, GEO_NODE_ATTRIBUTE_COMPARE, def_geo_attribute_attribute_compare, "ATTRIBUTE_COMPARE", AttributeCompare, "Attribute Compare", "")
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DefNode(GeometryNode, GEO_NODE_ROTATE_POINTS, def_geo_rotate_points, "ROTATE_POINTS", RotatePoints, "Rotate Points", "")
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/* undefine macros */
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#undef DefNode
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@ -19,19 +19,28 @@
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namespace blender::nodes {
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/**
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* Update the availability of a group of input sockets with the same name,
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* used for switching between attribute inputs or single values.
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*
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* \param mode: Controls which socket of the group to make available.
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* \param name_is_available: If false, make all sockets with this name unavailable.
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*/
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void update_attribute_input_socket_availabilities(bNode &node,
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const StringRef name,
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const GeometryNodeAttributeInputMode mode)
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const GeometryNodeAttributeInputMode mode,
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const bool name_is_available)
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{
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const GeometryNodeAttributeInputMode mode_ = (GeometryNodeAttributeInputMode)mode;
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LISTBASE_FOREACH (bNodeSocket *, socket, &node.inputs) {
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if (name == socket->name) {
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const bool is_available =
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const bool socket_is_available =
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name_is_available &&
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((socket->type == SOCK_STRING && mode_ == GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE) ||
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(socket->type == SOCK_FLOAT && mode_ == GEO_NODE_ATTRIBUTE_INPUT_FLOAT) ||
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(socket->type == SOCK_VECTOR && mode_ == GEO_NODE_ATTRIBUTE_INPUT_VECTOR) ||
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(socket->type == SOCK_RGBA && mode_ == GEO_NODE_ATTRIBUTE_INPUT_COLOR));
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nodeSetSocketAvailability(socket, is_available);
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nodeSetSocketAvailability(socket, socket_is_available);
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}
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}
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}
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@ -41,7 +41,8 @@ bool geo_node_poll_default(struct bNodeType *ntype, struct bNodeTree *ntree);
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namespace blender::nodes {
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void update_attribute_input_socket_availabilities(bNode &node,
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const StringRef name,
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const GeometryNodeAttributeInputMode mode);
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const GeometryNodeAttributeInputMode mode,
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const bool can_be_available = true);
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CustomDataType attribute_domain_highest_complexity(Span<CustomDataType>);
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@ -0,0 +1,207 @@
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "node_geometry_util.hh"
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#include "BLI_math_rotation.h"
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static bNodeSocketTemplate geo_node_rotate_points_in[] = {
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{SOCK_GEOMETRY, N_("Geometry")},
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{SOCK_STRING, N_("Axis")},
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{SOCK_VECTOR, N_("Axis"), 0.0, 0.0, 1.0, 0.0, -FLT_MAX, FLT_MAX, PROP_XYZ},
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{SOCK_STRING, N_("Angle")},
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{SOCK_FLOAT, N_("Angle"), 0.0, 0.0, 0.0, 0.0, -FLT_MAX, FLT_MAX, PROP_ANGLE},
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{SOCK_STRING, N_("Rotation")},
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{SOCK_VECTOR, N_("Rotation"), 0.0, 0.0, 0.0, 0.0, -FLT_MAX, FLT_MAX, PROP_EULER},
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{-1, ""},
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};
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static bNodeSocketTemplate geo_node_rotate_points_out[] = {
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{SOCK_GEOMETRY, N_("Geometry")},
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{-1, ""},
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};
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namespace blender::nodes {
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static void rotate_points__axis_angle__object_space(const int domain_size,
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const Float3ReadAttribute &axis,
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const FloatReadAttribute &angles,
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MutableSpan<float3> rotations)
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{
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for (const int i : IndexRange(domain_size)) {
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float old_rotation[3][3];
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eul_to_mat3(old_rotation, rotations[i]);
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float rotation[3][3];
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axis_angle_to_mat3(rotation, axis[i], angles[i]);
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float new_rotation[3][3];
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mul_m3_m3m3(new_rotation, rotation, old_rotation);
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mat3_to_eul(rotations[i], new_rotation);
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}
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}
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static void rotate_points__axis_angle__point_space(const int domain_size,
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const Float3ReadAttribute &axis,
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const FloatReadAttribute &angles,
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MutableSpan<float3> rotations)
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{
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for (const int i : IndexRange(domain_size)) {
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float old_rotation[3][3];
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eul_to_mat3(old_rotation, rotations[i]);
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float rotation[3][3];
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axis_angle_to_mat3(rotation, axis[i], angles[i]);
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float new_rotation[3][3];
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mul_m3_m3m3(new_rotation, old_rotation, rotation);
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mat3_to_eul(rotations[i], new_rotation);
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}
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}
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static void rotate_points__euler__object_space(const int domain_size,
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const Float3ReadAttribute &eulers,
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MutableSpan<float3> rotations)
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{
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for (const int i : IndexRange(domain_size)) {
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float old_rotation[3][3];
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eul_to_mat3(old_rotation, rotations[i]);
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float rotation[3][3];
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eul_to_mat3(rotation, eulers[i]);
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float new_rotation[3][3];
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mul_m3_m3m3(new_rotation, rotation, old_rotation);
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mat3_to_eul(rotations[i], new_rotation);
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}
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}
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static void rotate_points__euler__point_space(const int domain_size,
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const Float3ReadAttribute &eulers,
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MutableSpan<float3> rotations)
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{
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for (const int i : IndexRange(domain_size)) {
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float old_rotation[3][3];
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eul_to_mat3(old_rotation, rotations[i]);
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float rotation[3][3];
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eul_to_mat3(rotation, eulers[i]);
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float new_rotation[3][3];
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mul_m3_m3m3(new_rotation, old_rotation, rotation);
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mat3_to_eul(rotations[i], new_rotation);
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}
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}
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static void rotate_points_on_component(GeometryComponent &component,
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const GeoNodeExecParams ¶ms)
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{
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const bNode &node = params.node();
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const NodeGeometryRotatePoints &storage = *(const NodeGeometryRotatePoints *)node.storage;
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WriteAttributePtr rotation_attribute = component.attribute_try_ensure_for_write(
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"rotation", ATTR_DOMAIN_POINT, CD_PROP_FLOAT3);
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if (!rotation_attribute) {
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return;
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}
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MutableSpan<float3> rotations = rotation_attribute->get_span().typed<float3>();
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const int domain_size = rotations.size();
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if (storage.type == GEO_NODE_ROTATE_POINTS_TYPE_AXIS_ANGLE) {
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Float3ReadAttribute axis = params.get_input_attribute<float3>(
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"Axis", component, ATTR_DOMAIN_POINT, {0, 0, 1});
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FloatReadAttribute angles = params.get_input_attribute<float>(
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"Angle", component, ATTR_DOMAIN_POINT, 0);
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if (storage.space == GEO_NODE_ROTATE_POINTS_SPACE_OBJECT) {
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rotate_points__axis_angle__object_space(domain_size, axis, angles, rotations);
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}
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else {
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rotate_points__axis_angle__point_space(domain_size, axis, angles, rotations);
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}
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}
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else {
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Float3ReadAttribute eulers = params.get_input_attribute<float3>(
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"Rotation", component, ATTR_DOMAIN_POINT, {0, 0, 0});
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if (storage.space == GEO_NODE_ROTATE_POINTS_SPACE_OBJECT) {
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rotate_points__euler__object_space(domain_size, eulers, rotations);
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}
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else {
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rotate_points__euler__point_space(domain_size, eulers, rotations);
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}
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}
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rotation_attribute->apply_span();
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}
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static void geo_node_rotate_points_exec(GeoNodeExecParams params)
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{
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GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
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if (geometry_set.has<MeshComponent>()) {
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rotate_points_on_component(geometry_set.get_component_for_write<MeshComponent>(), params);
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}
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if (geometry_set.has<PointCloudComponent>()) {
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rotate_points_on_component(geometry_set.get_component_for_write<PointCloudComponent>(),
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params);
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}
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|
||||
params.set_output("Geometry", geometry_set);
|
||||
}
|
||||
|
||||
static void geo_node_rotate_points_init(bNodeTree *UNUSED(ntree), bNode *node)
|
||||
{
|
||||
NodeGeometryRotatePoints *node_storage = (NodeGeometryRotatePoints *)MEM_callocN(
|
||||
sizeof(NodeGeometryRotatePoints), __func__);
|
||||
|
||||
node_storage->type = GEO_NODE_ROTATE_POINTS_TYPE_EULER;
|
||||
node_storage->space = GEO_NODE_ROTATE_POINTS_SPACE_OBJECT;
|
||||
node_storage->input_type_axis = GEO_NODE_ATTRIBUTE_INPUT_VECTOR;
|
||||
node_storage->input_type_angle = GEO_NODE_ATTRIBUTE_INPUT_FLOAT;
|
||||
node_storage->input_type_rotation = GEO_NODE_ATTRIBUTE_INPUT_VECTOR;
|
||||
|
||||
node->storage = node_storage;
|
||||
}
|
||||
|
||||
static void geo_node_rotate_points_update(bNodeTree *UNUSED(ntree), bNode *node)
|
||||
{
|
||||
NodeGeometryRotatePoints *node_storage = (NodeGeometryRotatePoints *)node->storage;
|
||||
update_attribute_input_socket_availabilities(
|
||||
*node,
|
||||
"Axis",
|
||||
(GeometryNodeAttributeInputMode)node_storage->input_type_axis,
|
||||
node_storage->type == GEO_NODE_ROTATE_POINTS_TYPE_AXIS_ANGLE);
|
||||
update_attribute_input_socket_availabilities(
|
||||
*node,
|
||||
"Angle",
|
||||
(GeometryNodeAttributeInputMode)node_storage->input_type_angle,
|
||||
node_storage->type == GEO_NODE_ROTATE_POINTS_TYPE_AXIS_ANGLE);
|
||||
update_attribute_input_socket_availabilities(
|
||||
*node,
|
||||
"Rotation",
|
||||
(GeometryNodeAttributeInputMode)node_storage->input_type_rotation,
|
||||
node_storage->type == GEO_NODE_ROTATE_POINTS_TYPE_EULER);
|
||||
}
|
||||
|
||||
} // namespace blender::nodes
|
||||
|
||||
void register_node_type_geo_rotate_points()
|
||||
{
|
||||
static bNodeType ntype;
|
||||
|
||||
geo_node_type_base(&ntype, GEO_NODE_ROTATE_POINTS, "Rotate Points", NODE_CLASS_GEOMETRY, 0);
|
||||
node_type_socket_templates(&ntype, geo_node_rotate_points_in, geo_node_rotate_points_out);
|
||||
node_type_init(&ntype, blender::nodes::geo_node_rotate_points_init);
|
||||
node_type_update(&ntype, blender::nodes::geo_node_rotate_points_update);
|
||||
node_type_storage(
|
||||
&ntype, "NodeGeometryRotatePoints", node_free_standard_storage, node_copy_standard_storage);
|
||||
ntype.geometry_node_execute = blender::nodes::geo_node_rotate_points_exec;
|
||||
nodeRegisterType(&ntype);
|
||||
}
|
Loading…
Reference in New Issue