import org.openrndr.application
import org.openrndr.draw.loadFont
import org.openrndr.extra.envelopes.ADSRTracker
import org.openrndr.extra.noise.shapes.uniform
import org.openrndr.shape.Rectangle

fun main() = application {
    program {
        val tracker = ADSRTracker(this)
        tracker.attack = 1.0
        tracker.decay = 0.2
        tracker.sustain = 0.8
        tracker.release = 2.0

        keyboard.keyDown.listen {
            if (it.name == "t") {
                val center = drawer.bounds.offsetEdges(-30.0).uniform()
                tracker.triggerOn(0) { time, value, position ->
                    drawer.circle(center, value * 100.0)
                }
            }
            if (it.name == "r") {
                val center = drawer.bounds.offsetEdges(-30.0).uniform()
                tracker.triggerOn(1) { time, value, position ->
                    val r = Rectangle.fromCenter(center, width = value * 100.0, height = value * 100.0)
                    drawer.rectangle(r)
                }
            }
        }
        keyboard.keyUp.listen {
            if (it.name == "t")
                tracker.triggerOff(0)
            if (it.name == "r")
                tracker.triggerOff(1)
        }
        extend {
            tracker.values().forEach {
                it()
            }
            drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
            drawer.text("press and hold 't' and/or 'r'", 20.0, height - 20.0)
        }
    }
}