69 lines
2.5 KiB
Kotlin
69 lines
2.5 KiB
Kotlin
import org.openrndr.WindowMultisample
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import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.draw.*
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import org.openrndr.extra.meshgenerators.*
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import org.openrndr.extra.shapes.grid
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import org.openrndr.math.Vector2
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import org.openrndr.math.Vector3
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import org.openrndr.shape.Rectangle
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fun main() {
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application {
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configure {
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multisample = WindowMultisample.SampleCount(8)
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}
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program {
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val meshes = listOf(
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boxMesh(1.0, 1.0, 1.0),
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sphereMesh(radius = 0.5),
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dodecahedronMesh(0.5),
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cylinderMesh(radius = 0.5, length = 1.0, center = true),
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planeMesh(Vector3.ZERO, Vector3.UNIT_X, Vector3.UNIT_Y),
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capMesh(
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15, 0.5,
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listOf(Vector2.ZERO, Vector2(0.5, 0.2), Vector2.UNIT_X)
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),
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revolveMesh(5, 0.5)
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)
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val texture = colorBuffer(256, 256)
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val s = texture.shadow
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for (y in 0 until 256) {
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for (x in 0 until 256) {
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s[x, y] = ColorRGBa(x / 256.0, y / 256.0, 0.0, 1.0)
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}
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}
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s.upload()
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val positions = Rectangle.fromCenter(Vector2.ZERO, width * 0.01, height * 0.01)
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.grid(4, 2).flatten().map {
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it.center.vector3(z = -5.0)
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}
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extend {
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drawer.clear(ColorRGBa.PINK)
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drawer.perspective(60.0, width * 1.0 / height, 0.01, 1000.0)
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drawer.depthWrite = true
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drawer.depthTestPass = DepthTestPass.LESS_OR_EQUAL
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drawer.shadeStyle = shadeStyle {
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fragmentTransform = """
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float light = dot(v_worldNormal, p_light) * 0.5 + 0.5;
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x_fill = texture(p_texture, va_texCoord0.xy);
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x_fill.rgb *= light;
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""".trimIndent()
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parameter("texture", texture)
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parameter("light", Vector3(1.0).normalized)
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}
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meshes.forEachIndexed { i, mesh ->
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drawer.isolated {
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translate(positions[i])
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rotate(Vector3.UNIT_Y, seconds * 12)
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rotate(Vector3.UNIT_X, seconds * 25)
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vertexBuffer(mesh, DrawPrimitive.TRIANGLES)
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}
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}
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}
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}
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}
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} |