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[orx-shade-styles] Improve EllipticalGradient

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This commit is contained in:
Edwin Jakobs
2025-03-07 14:39:09 +01:00
parent 3f64f7c413
commit 710d1e9538
3 changed files with 68 additions and 10 deletions
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2
orx-shade-styles/src/jvmDemo/kotlin/gradients/DemoGradient01.kt
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@@ -2,8 +2,6 @@ package gradients
import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.extra.color.spaces.ColorOKLABa
import org.openrndr.extra.color.spaces.toOKLABa
import org.openrndr.extra.shadestyles.fills.SpreadMethod
import org.openrndr.extra.shadestyles.fills.gradients.gradient
import org.openrndr.math.Vector2

47
orx-shade-styles/src/jvmDemo/kotlin/gradients/DemoGradient08.kt Normal file
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@@ -0,0 +1,47 @@
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)
}
}
}
}
}