119 lines
4.4 KiB
Kotlin
119 lines
4.4 KiB
Kotlin
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.extensions.SingleScreenshot
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import org.openrndr.extras.camera.Orbital
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import org.openrndr.extras.meshgenerators.*
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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.math.transforms.transform
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fun main() {
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application {
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program {
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if (System.getProperty("takeScreenshot") == "true") {
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extend(SingleScreenshot()) {
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this.outputFile = System.getProperty("screenshotPath")
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}
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}
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extend(Orbital()) {
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this.eye = Vector3(0.0, 15.0, 15.0)
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}
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val m = meshGenerator {
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val sides = 12
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group {
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cap(sides, 5.0, listOf(
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Vector2(0.0, 1.0),
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Vector2(0.5, 1.0),
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Vector2(0.5, 0.5),
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Vector2(0.9, 0.5),
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Vector2(1.0, 0.0))
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)
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transform(transform {
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translate(0.0, 12.0, 0.0)
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})
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}
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val ridges = 5
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val midLength = 6.0
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val ridgeLength = midLength / ridges
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val ridgeRadius = 5.5
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for (r in 0 until ridges) {
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group {
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taperedCylinder(sides, 1, 5.0, ridgeRadius, ridgeLength / 3.0)
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transform(transform {
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translate(
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0.0,
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ridgeLength / 6.0 + r * ridgeLength + 6.0,
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0.0
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)
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rotate(Vector3.UNIT_X, 270.0)
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})
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}
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group {
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taperedCylinder(sides, 1, ridgeRadius, ridgeRadius, ridgeLength / 3.0)
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transform(transform {
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translate(
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0.0,
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ridgeLength / 6.0 + ridgeLength / 3.0 + r * ridgeLength + 6.0,
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0.0
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)
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rotate(Vector3.UNIT_X, 270.0)
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})
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}
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group {
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taperedCylinder(sides, 1, ridgeRadius, 5.0, ridgeLength / 3.0)
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transform(transform {
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translate(
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0.0,
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ridgeLength / 6.0 + 2 * ridgeLength / 3.0 + r * ridgeLength + 6.0,
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0.0
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)
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rotate(Vector3.UNIT_X, 270.0)
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})
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}
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}
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group {
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cap(sides, 5.0, listOf(Vector2(0.0, 0.0), Vector2(1.0, 0.0)))
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transform(transform {
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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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})
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}
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group {
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val legCount = 12
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val baseRadius = 4.5
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val legRadius = 0.05
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val legLength = 7.0
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for (i in 0 until legCount) {
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group {
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val dphi = 360.0 / legCount
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cylinder(sides, 1, legRadius, legLength)
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transform(transform {
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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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})
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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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} |