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[orx-expression-evaluator, orx-keyframer] Split expression evaluator from orx-keyframer

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This commit is contained in:
Edwin Jakobs
2023-03-29 13:34:55 +02:00
parent 606e56be3d
commit 8940fb7520
20 changed files with 685 additions and 199 deletions
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39
orx-jvm/orx-keyframer/src/demo/kotlin/DemoExpressionEvaluator01.kt
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@@ -1,39 +0,0 @@
import org.openrndr.application
import org.openrndr.extra.gui.GUI
import org.openrndr.extra.gui.addTo
import org.openrndr.extra.keyframer.evaluateExpression
import org.openrndr.extra.parameters.TextParameter
fun main() {
application {
program {
val gui = GUI()
gui.compartmentsCollapsedByDefault = false
val settings = object {
@TextParameter("x expression", order = 10)
var xExpression = "cos(t) * 50.0 + width / 2.0"
@TextParameter("y expression", order = 20)
var yExpression = "sin(t) * 50.0 + height / 2.0"
@TextParameter("radius expression", order = 30 )
var radiusExpression = "cos(t) * 50.0 + 50.0"
}.addTo(gui)
extend(gui)
extend {
//gui.visible = mouse.position.x < 200.0
val expressionContext = mapOf("t" to seconds, "width" to drawer.bounds.width, "height" to drawer.bounds.height)
fun eval(expression: String) : Double =
try { evaluateExpression(expression, expressionContext) ?: 0.0 } catch (e: Throwable) { 0.0 }
val x = eval(settings.xExpression)
val y = eval(settings.yExpression)
val radius = eval(settings.radiusExpression)
drawer.circle(x, y, radius)
}
}
}
}