63 lines
2.1 KiB
Kotlin
63 lines
2.1 KiB
Kotlin
/**
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Display wireframe and non-planar faces
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*/
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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.DrawPrimitive
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import org.openrndr.draw.TransformTarget
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import org.openrndr.draw.shadeStyle
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import org.openrndr.extra.camera.Orbital
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import org.openrndr.extra.objloader.loadOBJMeshData
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import org.openrndr.extra.objloader.loadOBJasVertexBuffer
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import org.openrndr.extra.objloader.wireframe
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import org.openrndr.math.Vector3
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import org.openrndr.shape.Path3D
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import java.io.File
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import kotlin.math.cos
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fun main() {
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application {
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configure {
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width = 720
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height = 720
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multisample = WindowMultisample.SampleCount(4)
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}
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program {
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val vb = loadOBJasVertexBuffer("orx-obj-loader/test-data/non-planar.obj")
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val md = loadOBJMeshData(File("orx-obj-loader/test-data/non-planar.obj").readLines())
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val paths = md.wireframe().map {
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Path3D.fromPoints(it, true)
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}
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extend(Orbital())
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extend {
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drawer.rotate(Vector3.Companion.UNIT_Y, seconds * 45.0 + 45.0, TransformTarget.MODEL)
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drawer.translate(0.0, 0.0, 9.0, TransformTarget.VIEW)
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drawer.shadeStyle = shadeStyle {
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fragmentTransform = """
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x_fill.rgb = normalize(v_viewNormal) * 0.5 + vec3(0.5);
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""".trimIndent()
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}
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drawer.vertexBuffer(vb, DrawPrimitive.TRIANGLES)
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drawer.stroke = ColorRGBa.WHITE
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drawer.strokeWeight = 1.0
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drawer.shadeStyle = shadeStyle {
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vertexTransform = """
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x_projectionMatrix[3][2] -= 0.001;
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""".trimIndent()
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}
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drawer.strokeWeight = 1.0
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drawer.paths(paths.mapIndexed { index, it ->
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it.sub(
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0.0, cos(seconds * 0.5 + index * 0.5) * 0.5 + 0.5
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)
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})
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}
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}
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}
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} |