48 lines
1.6 KiB
Kotlin
48 lines
1.6 KiB
Kotlin
package gradients
|
|
|
|
import org.openrndr.application
|
|
import org.openrndr.color.ColorRGBa
|
|
import org.openrndr.extra.color.presets.CRIMSON
|
|
import org.openrndr.extra.color.presets.DODGER_BLUE
|
|
import org.openrndr.extra.color.presets.LIME_GREEN
|
|
import org.openrndr.extra.shadestyles.fills.SpreadMethod
|
|
import org.openrndr.extra.shadestyles.fills.gradients.gradient
|
|
import org.openrndr.extra.shapes.primitives.grid
|
|
import org.openrndr.math.Vector2
|
|
import org.openrndr.math.asDegrees
|
|
import kotlin.math.atan2
|
|
|
|
fun main() =
|
|
application {
|
|
configure {
|
|
width = 720
|
|
height = 720
|
|
}
|
|
program {
|
|
extend {
|
|
val grid = drawer.bounds.grid(13, 13)
|
|
drawer.stroke = null
|
|
|
|
for ((y, row) in grid.withIndex()) {
|
|
for ((x, cell) in row.withIndex()) {
|
|
drawer.shadeStyle = gradient<ColorRGBa> {
|
|
stops[0.0] = ColorRGBa.CRIMSON
|
|
stops[0.5] = ColorRGBa.DODGER_BLUE
|
|
stops[1.0] = ColorRGBa.LIME_GREEN
|
|
|
|
spreadMethod = SpreadMethod.REPEAT
|
|
elliptic {
|
|
val v = Vector2(x-6.0, y-6.0)
|
|
rotation = atan2(y- 6.0, x - 6.0).asDegrees + 180.0
|
|
radiusX = 1.0
|
|
radiusY = 1.0 / (1.0 + v.length*0.25)
|
|
}
|
|
}
|
|
drawer.rectangle(cell)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|