Differential D5245 Diff 16355 source/blender/editors/gpencil/gpencil_brush.c

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source/blender/editors/gpencil/gpencil_brush.c

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	mul_v3_v3fl(delta, gso->dvec, inf);	mul_v3_v3fl(delta, gso->dvec, inf);

	/* apply */	/* apply */
		mul_mat3_m4_v3(gso->object->obmat, delta); /* only rotation component */
	add_v3_v3(&pt->x, delta);	add_v3_v3(&pt->x, delta);

	/* compute lock axis */	/* compute lock axis */
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	inf = gp_brush_influence_calc(gso, radius, co) / 5.0f;	inf = gp_brush_influence_calc(gso, radius, co) / 5.0f;

	/* 1) Make this point relative to the cursor/midpoint (dvec) */	/* 1) Make this point relative to the cursor/midpoint (dvec) */
	sub_v3_v3v3(vec, &pt->x, gso->dvec);	float fpt[3];
		mul_v3_m4v3(fpt, gso->object->obmat, &pt->x);
		sub_v3_v3v3(vec, fpt, gso->dvec);

	/* 2) Shrink the distance by pulling the point towards the midpoint	/* 2) Shrink the distance by pulling the point towards the midpoint
	* (0.0 = at midpoint, 1 = at edge of brush region)	* (0.0 = at midpoint, 1 = at edge of brush region)
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	mul_v3_fl(vec, fac);	mul_v3_fl(vec, fac);

	/* 3) Translate back to original space, with the shrinkage applied */	/* 3) Translate back to original space, with the shrinkage applied */
	add_v3_v3v3(&pt->x, gso->dvec, vec);	add_v3_v3v3(fpt, gso->dvec, vec);
		mul_v3_m4v3(&pt->x, gso->object->imat, fpt);

	/* compute lock axis */	/* compute lock axis */
	gpsculpt_compute_lock_axis(gso, pt, save_pt);	gpsculpt_compute_lock_axis(gso, pt, save_pt);
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	axis_angle_normalized_to_mat3(rmat, axis, angle);	axis_angle_normalized_to_mat3(rmat, axis, angle);

	/* Rotate point (no matrix-space transforms needed, as GP points are in world space) */	/* Rotate point */
	sub_v3_v3v3(vec, &pt->x, gso->dvec); /* make relative to center	float fpt[3];
	* (center is stored in dvec) */	mul_v3_m4v3(fpt, gso->object->obmat, &pt->x);
		sub_v3_v3v3(vec, fpt, gso->dvec); /* make relative to center
		* (center is stored in dvec) */
	mul_m3_v3(rmat, vec);	mul_m3_v3(rmat, vec);
	add_v3_v3v3(&pt->x, vec, gso->dvec); /* restore */	add_v3_v3v3(fpt, vec, gso->dvec); /* restore */
		mul_v3_m4v3(&pt->x, gso->object->imat, fpt);

	/* compute lock axis */	/* compute lock axis */
	gpsculpt_compute_lock_axis(gso, pt, save_pt);	gpsculpt_compute_lock_axis(gso, pt, save_pt);
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	gp_brush_calc_midpoint(gso); /* this puts the cursor location into gso->dvec */	gp_brush_calc_midpoint(gso); /* this puts the cursor location into gso->dvec */
	sub_v3_v3v3(delta, gso->dvec, data->buffer_midpoint);	sub_v3_v3v3(delta, gso->dvec, data->buffer_midpoint);
		sub_v3_v3(delta, gso->object->obmat[3]);
		brechtUnsubmitted Not Done Inline Actions The reason for this line of code is unclear, why would the object translation affect a direction vector? brecht: The reason for this line of code is unclear, why would the object translation affect a…
		antoniovAuthorUnsubmitted Done Inline Actions The reason for that is the point is transformed using the delta, so if the original object is rotated, the destination point must be rotated too. I did not created this operator (it's from old 2.73 +/-) and I tested and it was necessary to make it works when clone rotate objects. antoniov: The reason for that is the point is transformed using the delta, so if the original object is…
		mul_mat3_m4_v3(gso->object->obmat, delta); /* only rotation component */
	/* Copy each stroke into the layer */	/* Copy each stroke into the layer */
	for (gps = gp_strokes_copypastebuf.first; gps; gps = gps->next) {	for (gps = gp_strokes_copypastebuf.first; gps; gps = gps->next) {
	if (ED_gpencil_stroke_can_use(C, gps)) {	if (ED_gpencil_stroke_can_use(C, gps)) {
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