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Slightly optimized curve drawing (in curve preview and editor)

This commit is contained in:
Rodz Labs 2022-09-18 16:46:53 +02:00
parent 07046052f7
commit 73300b29a5
1 changed files with 6 additions and 3 deletions
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9
material_maker/widgets/curve_edit/curve_view.gd
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@ -27,6 +27,7 @@ func _draw():
var p = transform_point(0.25*Vector2(i, i))
draw_line(Vector2(p.x, 0), Vector2(p.x, rect_size.y-1), axes_color)
draw_line(Vector2(0, p.y), Vector2(rect_size.x-1, p.y), axes_color)
var points : PoolVector2Array = PoolVector2Array()
for i in range(curve.points.size()-1):
var p1 = curve.points[i].p
var p2 = curve.points[i+1].p
@ -34,6 +35,8 @@ func _draw():
var yac = p1.y+d*curve.points[i].rs
var ybc = p2.y-d*curve.points[i+1].ls
var p = transform_point(p1)
if points.empty():
points.push_back(p)
var count : int = int(max(1, (transform_point(p2).x-p.x/5.0)))
for tt in range(count):
var t = (tt+1.0)/count
@ -43,9 +46,9 @@ func _draw():
var t2 = t * t
var t3 = t2 * t
var x = p1.x+(p2.x-p1.x)*t
var np = transform_point(Vector2(x, p1.y*omt3 + yac*omt2*t*3.0 + ybc*omt*t2*3.0 + p2.y*t3))
draw_line(p, np, curve_color)
p = np
p = transform_point(Vector2(x, p1.y*omt3 + yac*omt2*t*3.0 + ybc*omt*t2*3.0 + p2.y*t3))
points.push_back(p)
draw_polyline(points, curve_color)
func _on_resize() -> void:
update()