35 lines
1011 B
Kotlin
35 lines
1011 B
Kotlin
@file:Suppress("RUNTIME_ANNOTATION_NOT_SUPPORTED")
|
|
|
|
package org.openrndr.extra.shadestyles
|
|
|
|
import org.openrndr.color.ColorRGBa
|
|
import org.openrndr.draw.ShadeStyle
|
|
import org.openrndr.extra.parameters.Description
|
|
import org.openrndr.math.Vector2
|
|
|
|
@Deprecated("use gradient {} instead")
|
|
@Description("N-Point gradient")
|
|
class NPointGradient(
|
|
colors: Array<ColorRGBa>,
|
|
points: Array<Vector2> = arrayOf(Vector2.ZERO)) : ShadeStyle() {
|
|
|
|
var colors: Array<ColorRGBa> by Parameter()
|
|
var points: Array<Vector2> by Parameter()
|
|
|
|
init {
|
|
this.colors = colors
|
|
this.points = points
|
|
|
|
fragmentTransform = """
|
|
float sum = 0;
|
|
vec4 rgba = vec4(0.0);
|
|
for(int i=0; i<p_points_SIZE; i++) {
|
|
float dist = 1.0 / (1.0 + distance(p_points[i], c_screenPosition));
|
|
sum += dist;
|
|
rgba += p_colors[i] * dist;
|
|
}
|
|
x_fill = rgba/sum;
|
|
"""
|
|
}
|
|
}
|