CanvasItem::draw_arc Clamp angle difference so arc won't overlap itself

This commit is contained in:
kleonc 2023-01-18 14:51:17 +01:00
parent e514e3732a
commit 43fc483e6c
3 changed files with 16 additions and 9 deletions

View file

@ -1207,20 +1207,23 @@ void RendererCanvasCull::canvas_item_add_circle(RID p_item, const Point2 &p_pos,
static const int circle_points = 64;
points.resize(circle_points);
Vector2 *points_ptr = points.ptrw();
const real_t circle_point_step = Math_TAU / circle_points;
for (int i = 0; i < circle_points; i++) {
float angle = i * circle_point_step;
points.write[i].x = Math::cos(angle) * p_radius;
points.write[i].y = Math::sin(angle) * p_radius;
points.write[i] += p_pos;
points_ptr[i].x = Math::cos(angle) * p_radius;
points_ptr[i].y = Math::sin(angle) * p_radius;
points_ptr[i] += p_pos;
}
indices.resize((circle_points - 2) * 3);
int *indices_ptr = indices.ptrw();
for (int i = 0; i < circle_points - 2; i++) {
indices.write[i * 3 + 0] = 0;
indices.write[i * 3 + 1] = i + 1;
indices.write[i * 3 + 2] = i + 2;
indices_ptr[i * 3 + 0] = 0;
indices_ptr[i * 3 + 1] = i + 1;
indices_ptr[i * 3 + 2] = i + 2;
}
Vector<Color> color;