kaze/orx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[orx-keyframer] Fix demo configuration, add expression evaluator demo

Browse Source
This commit is contained in:
Edwin Jakobs
2023-03-19 11:04:47 +01:00
parent f21422359a
commit b3d11aa082
2 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
orx-jvm/orx-keyframer/build.gradle
View File

@@ -37,8 +37,10 @@ dependencies {
testRuntimeOnly(libs.spek.junit5)
testRuntimeOnly(libs.kotlin.reflect)
demoImplementation(project(":orx-jvm:orx-panel"))
demoImplementation(project(":orx-jvm:orx-gui"))
}
tasks.getByName("compileKotlin").dependsOn("generateGrammarSource")
tasks.getByName("compileDemoKotlin").dependsOn("generateDemoGrammarSource")
tasks.getByName("compileTestKotlin").dependsOn("generateTestGrammarSource")
tasks.getByName("sourcesJar").dependsOn("generateGrammarSource")

39
orx-jvm/orx-keyframer/src/demo/kotlin/DemoExpressionEvaluator01.kt Normal file
View File

@@ -0,0 +1,39 @@
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)
}
}
}
}