[orx-fx] Add BlendSpectral

2023-12-14 16:11:59 +01:00
parent 4ed95f530b
commit 01cb305e94
3 changed files with 356 additions and 0 deletions
--- a/orx-fx/src/jvmDemo/kotlin/DemoSpectralBlend01.kt
+++ b/orx-fx/src/jvmDemo/kotlin/DemoSpectralBlend01.kt
@@ -0,0 +1,43 @@
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.createEquivalent
+import org.openrndr.drawImage
+import org.openrndr.extra.fx.blend.BlendSpectral
+import org.openrndr.extra.fx.patterns.Checkers
+import org.openrndr.math.Vector2
+import kotlin.math.sin
+
+fun main() {
+    application {
+        configure {
+            width = 800
+            height = 800
+        }
+        program {
+            val a = drawImage(width, height) {
+                drawer.stroke = null
+                drawer.fill = ColorRGBa.BLUE
+                drawer.circle(drawer.bounds.center - Vector2(100.0, 0.0) , drawer.width * 0.25)
+            }
+            val b = drawImage(width, height) {
+                drawer.clear(ColorRGBa.TRANSPARENT)
+                drawer.stroke = ColorRGBa.RED
+                drawer.strokeWeight = 10.0
+                drawer.fill = ColorRGBa.YELLOW.opacify(1.0)
+                drawer.circle(drawer.bounds.center + Vector2(100.0, 0.0), drawer.width * 0.25)
+            }
+
+            val checked = a.createEquivalent()
+            Checkers().apply(emptyArray(), checked)
+
+            val mixed = a.createEquivalent()
+            val blendSpectral = BlendSpectral()
+            extend {
+                drawer.image(checked)
+                blendSpectral.fill = sin(seconds) * 0.5 + 0.5
+                blendSpectral.apply(a, b, mixed)
+                drawer.image(mixed)
+            }
+        }
+    }
+}