Files
orx/openrndr-demos/src/demo/kotlin/DemoTessShader01.kt

48 lines
1.7 KiB
Kotlin

import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.draw.*
import org.openrndr.math.Vector3
import org.openrndr.resourceUrl
fun main() {
application {
program {
val vb = vertexBuffer(vertexFormat {
position(3)
}, 12)
val shader = Shader.Companion.createFromUrls(
vsUrl = resourceUrl("/shaders/ts-01.vert"),
tcsUrl = resourceUrl("/shaders/ts-01.tesc"),
tesUrl = resourceUrl("/shaders/ts-01.tese"),
fsUrl = resourceUrl("/shaders/ts-01.frag")
)
vb.put {
write(Vector3(0.0, 0.0, 0.0))
write(Vector3(100.0, 0.0, 0.0))
write(Vector3(140.0, 200.0, 0.0))
write(Vector3(200.0, 300.0, 0.0))
write(Vector3(0.0, 0.0, 0.0))
write(Vector3(100.0, 0.0, 0.0))
write(Vector3(140.0, 200.0, 0.0))
write(Vector3(200.0, 400.0, 0.0))
write(Vector3(0.0, 0.0, 0.0))
write(Vector3(100.0, 0.0, 0.0))
write(Vector3(140.0, 200.0, 0.0))
write(Vector3(200.0, 500.0, 0.0))
}
extend {
drawer.clear(ColorRGBa.PINK)
shader.begin()
shader.uniform("offset", mouse.position.xy0)
shader.uniform("view", drawer.view)
shader.uniform("proj", drawer.projection)
shader.uniform("model", drawer.model)
driver.drawVertexBuffer(shader, listOf(vb), DrawPrimitive.PATCHES, 0, vb.vertexCount)
shader.end()
}
}
}
}