Add orx-time-operators with Envelope & LFO

2020-04-08 20:10:05 +02:00
parent fa2a2f54ba
commit bba7d255c4
8 changed files with 357 additions and 0 deletions
--- a/orx-time-operators/src/demo/kotlin/DemoEnvelope.kt
+++ b/orx-time-operators/src/demo/kotlin/DemoEnvelope.kt
@@ -0,0 +1,40 @@
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.isolated
+import org.openrndr.extra.timeoperators.Envelope
+import org.openrndr.extra.timeoperators.TimeOperators
+
+fun main() {
+    application {
+        program {
+            val size = Envelope(50.0, 400.0, 0.5, 0.5)
+            val rotation = Envelope(easingFactor = 0.4)
+
+            extend(TimeOperators()) {
+                track(size, rotation)
+            }
+            extend {
+                if (frameCount % 80 == 0) {
+                    size.trigger()
+                }
+
+                if (frameCount % 50 == 0) {
+                    rotation.trigger(180.0)
+                }
+
+                drawer.isolated {
+                    drawer.stroke = ColorRGBa.PINK
+                    drawer.fill = ColorRGBa.PINK
+
+                    drawer.translate(width / 2.0, height / 2.0)
+                    drawer.rotate(rotation.value)
+
+                    val side = size.value / 2.0
+                    val offset = side / 2.0
+
+                    drawer.rectangle(0.0 - offset, 0.0 - offset, side, side)
+                }
+            }
+        }
+    }
+}