Files
orx/orx-shapes/src/jvmDemo/kotlin/DemoBezierPatchDrawer03.kt
2023-01-15 15:27:19 +01:00

63 lines
2.5 KiB
Kotlin

import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.draw.isolated
import org.openrndr.draw.loadFont
import org.openrndr.extensions.SingleScreenshot
import org.openrndr.extra.shapes.bezierPatch
import org.openrndr.extra.shapes.drawers.bezierPatch
import org.openrndr.extra.shapes.grid
import org.openrndr.extra.color.spaces.toOKLABa
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.min
import org.openrndr.math.transforms.buildTransform
import org.openrndr.shape.Circle
import org.openrndr.shape.Rectangle
import kotlin.math.min
fun main() {
application {
configure {
width = 720
height = 720
}
program {
extend {
drawer.clear(ColorRGBa.BLACK)
val colors = listOf(
listOf(ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa()),
listOf(ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa()),
listOf(ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa()),
listOf(ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa()),
)
val grid = drawer.bounds.grid(4,4, marginX = 20.0, marginY = 20.0, gutterX = 10.0, gutterY = 10.0)
val cellWidth = grid[0][0].width
val cellHeight = grid[0][0].height
val a = bezierPatch(Rectangle.fromCenter(Vector2(0.0, 0.0), cellWidth, cellHeight).contour)
.withColors(colors)
val b = bezierPatch(
Circle(0.0, 0.0, min(cellWidth, cellHeight) / 2.0).contour.transform(
buildTransform {
rotate(Vector3.UNIT_Z, 45.0)
}
)
).withColors(colors)
for (y in grid.indices) {
for (x in grid[y].indices) {
val f = (y * grid[y].size + x).toDouble() / (grid.size * grid[y].size - 1.0)
val blend = a * (1.0 - f) + b * f
drawer.isolated {
drawer.translate(grid[y][x].center)
drawer.bezierPatch(blend)
}
}
}
}
}
}
}