package bezierpatch

import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.extra.shapes.bezierpatches.bezierPatch
import org.openrndr.shape.Circle

fun main() = application {
    program {
        extend {
            drawer.clear(ColorRGBa.PINK)
            val bp = bezierPatch(
                Circle(width / 2.0, height / 2.0, 200.0).contour
            ).withColors(
                listOf(
                    listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.BLACK, ColorRGBa.BLUE),
                    listOf(ColorRGBa.RED, ColorRGBa.BLACK, ColorRGBa.BLUE, ColorRGBa.GREEN),
                    listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.WHITE, ColorRGBa.GREEN),
                    listOf(ColorRGBa.BLACK, ColorRGBa.WHITE, ColorRGBa.BLACK, ColorRGBa.BLUE),
                )
            )

            drawer.bezierPatch(bp)

            drawer.fill = null
            drawer.contour(bp.contour)
            for (i in 0 until 10) {
                drawer.contour(bp.horizontal(i / 9.0))
            }
            for (i in 0 until 10) {
                drawer.contour(bp.vertical(i / 9.0))
            }
        }
    }
}