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Make similar_colors() in DrawingAlgos faster

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We finally found some use for Godot 4's new Vector4, let Godot's built-in functions handle the math, since they run in native C++.
This commit is contained in:
Emmanouil Papadeas 2024-01-31 01:41:58 +02:00
parent 63691cacaf
commit 399fc8dfbd
1 changed files with 4 additions and 13 deletions
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17
src/Autoload/DrawingAlgos.gd
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@ -442,19 +442,10 @@ func nn_rotate(sprite: Image, angle: float, pivot: Vector2) -> void:
func similar_colors(c1: Color, c2: Color, tol := 100.0) -> bool:
var dist := color_distance(c1, c2)
return dist <= tol
func color_distance(c1: Color, c2: Color) -> float:
return sqrt(
(
pow((c1.r - c2.r) * 255, 2)
+ pow((c1.g - c2.g) * 255, 2)
+ pow((c1.b - c2.b) * 255, 2)
+ pow((c1.a - c2.a) * 255, 2)
)
)
var v1 := Vector4(c1.r, c1.g, c1.b, c1.a)
var v2 := Vector4(c2.r, c2.g, c2.b, c2.a)
var dist := v2.distance_to(v1)
return dist <= (tol / 255.0)
# Image effects