Fix Edit Voxel Size label rotation and scale in rotated objects
Previously, the text rotation was always calculated in object space, so the text rotation always had the object rotation applied. Now the rotation is calculated in world space, so it always aligns correctly to the view. Same applies to text scale not taking into account the object position. Reviewed By: sergey Differential Revision: https://developer.blender.org/D8068
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@ -526,7 +526,9 @@ static int voxel_size_edit_invoke(bContext *C, wmOperator *op, const wmEvent *ev
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/* Project the selected face in the previous step of the Bounding Box. */
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for (int i = 0; i < 4; i++) {
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ED_view3d_project(ar, cd->preview_plane[i], preview_plane_proj[i]);
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float preview_plane_world_space[3];
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mul_v3_m4v3(preview_plane_world_space, active_object->obmat, cd->preview_plane[i]);
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ED_view3d_project(ar, preview_plane_world_space, preview_plane_proj[i]);
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}
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/* Get the initial X and Y axis of the basis from the edges of the Bounding Box face. */
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@ -574,7 +576,9 @@ static int voxel_size_edit_invoke(bContext *C, wmOperator *op, const wmEvent *ev
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copy_v3_v3(cd->text_mat[3], text_pos);
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/* Scale the text. */
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const float pixelsize = ED_view3d_pixel_size(rv3d, text_pos);
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float text_pos_word_space[3];
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mul_v3_m4v3(text_pos_word_space, active_object->obmat, text_pos);
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const float pixelsize = ED_view3d_pixel_size(rv3d, text_pos_word_space);
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scale_m4_fl(scale_mat, pixelsize * 0.5f);
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mul_m4_m4_post(cd->text_mat, scale_mat);
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