66 lines
2.1 KiB
Kotlin
66 lines
2.1 KiB
Kotlin
import org.openrndr.WindowMultisample
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import org.openrndr.application
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import org.openrndr.draw.DrawPrimitive
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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.meshgenerators.buildTriangleMesh
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import org.openrndr.extra.meshgenerators.cylinder
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import org.openrndr.extra.meshgenerators.hemisphere
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import org.openrndr.math.Vector3
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fun main() = 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(8)
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}
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program {
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extend(Orbital()) {
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this.eye = Vector3(0.0, 10.0, 20.0)
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this.lookAt = Vector3(0.0, 5.0, 0.0)
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}
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val m = buildTriangleMesh {
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isolated {
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translate(0.0, 12.0, 0.0)
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hemisphere(32, 16, 5.0)
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}
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isolated {
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translate(0.0, 9.0, 0.0)
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rotate(Vector3.UNIT_X, 90.0)
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cylinder(32, 1, 5.0, 6.0, center = true)
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}
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isolated {
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translate(0.0, 6.0, 0.0)
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rotate(Vector3.UNIT_X, 180.0)
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hemisphere(32, 16, 5.0)
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}
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isolated {
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val legCount = 12
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val baseRadius = 3.0
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val legRadius = 0.05
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val legLength = 4.0
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for (i in 0 until legCount) {
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isolated {
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val dphi = 360.0 / legCount
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rotate(Vector3.UNIT_Y, dphi * i)
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translate(baseRadius, 0.0, 0.0)
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rotate(Vector3.UNIT_Z, -15.0)
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translate(0.0, legLength / 2.0, 0.0)
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rotate(Vector3.UNIT_X, 90.0)
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cylinder(32, 1, legRadius, legLength, center = true)
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}
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}
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}
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}
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extend {
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drawer.shadeStyle = shadeStyle {
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fragmentTransform = """
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x_fill.rgb *= v_viewNormal.z;
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""".trimIndent()
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}
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drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
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}
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}
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}
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