diff options
Diffstat (limited to 'source/blender/editors/sculpt_paint/paint_stroke.c')
| -rw-r--r-- | source/blender/editors/sculpt_paint/paint_stroke.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/source/blender/editors/sculpt_paint/paint_stroke.c b/source/blender/editors/sculpt_paint/paint_stroke.c index aa17cb02fe5..1431958501d 100644 --- a/source/blender/editors/sculpt_paint/paint_stroke.c +++ b/source/blender/editors/sculpt_paint/paint_stroke.c @@ -491,31 +491,30 @@ static void paint_brush_stroke_add_step(bContext *C, wmOperator *op, const float } /* Returns zero if no sculpt changes should be made, non-zero otherwise */ -static int paint_smooth_stroke(PaintStroke *stroke, float output[2], float *outpressure, - const PaintSample *sample, PaintMode mode) +static bool paint_smooth_stroke( + PaintStroke *stroke, const PaintSample *sample, PaintMode mode, + float r_mouse[2], float *r_pressure) { if (paint_supports_smooth_stroke(stroke->brush, mode)) { float radius = stroke->brush->smooth_stroke_radius * stroke->zoom_2d; - float u = stroke->brush->smooth_stroke_factor, v = 1.0f - u; - float dx = stroke->last_mouse_position[0] - sample->mouse[0]; - float dy = stroke->last_mouse_position[1] - sample->mouse[1]; + float u = stroke->brush->smooth_stroke_factor; /* If the mouse is moving within the radius of the last move, * don't update the mouse position. This allows sharp turns. */ - if (dx * dx + dy * dy < radius * radius) - return 0; + if (len_squared_v2v2(stroke->last_mouse_position, sample->mouse) < SQUARE(radius)) { + return false; + } - output[0] = sample->mouse[0] * v + stroke->last_mouse_position[0] * u; - output[1] = sample->mouse[1] * v + stroke->last_mouse_position[1] * u; - *outpressure = sample->pressure * v + stroke->last_pressure * u; + interp_v2_v2v2(r_mouse, sample->mouse, stroke->last_mouse_position, u); + *r_pressure = interpf(sample->pressure, stroke->last_pressure, u); } else { - output[0] = sample->mouse[0]; - output[1] = sample->mouse[1]; - *outpressure = sample->pressure; + r_mouse[0] = sample->mouse[0]; + r_mouse[1] = sample->mouse[1]; + *r_pressure = sample->pressure; } - return 1; + return true; } static float paint_space_stroke_spacing(const Scene *scene, PaintStroke *stroke, float size_pressure, float spacing_pressure) @@ -1190,7 +1189,7 @@ int paint_stroke_modal(bContext *C, wmOperator *op, const wmEvent *event) /* airbrush */ ((br->flag & BRUSH_AIRBRUSH) && event->type == TIMER && event->customdata == stroke->timer)) { - if (paint_smooth_stroke(stroke, mouse, &pressure, &sample_average, mode)) { + if (paint_smooth_stroke(stroke, &sample_average, mode, mouse, &pressure)) { if (stroke->stroke_started) { if (paint_space_stroke_enabled(br, mode)) { if (paint_space_stroke(C, op, mouse, pressure)) |