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Add demos to orx-mesh-generators

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This commit is contained in:
Edwin Jakobs
2020-04-10 19:50:13 +02:00
parent 5785c90937
commit 8c591c4830
8 changed files with 367 additions and 3 deletions
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34
orx-mesh-generators/src/demo/kotlin/DemoComplex01.kt Normal file
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import org.openrndr.application
import org.openrndr.draw.DrawPrimitive
import org.openrndr.draw.shadeStyle
import org.openrndr.extras.camera.Orbital
import org.openrndr.extras.meshgenerators.box
import org.openrndr.extras.meshgenerators.group
import org.openrndr.extras.meshgenerators.meshGenerator
import org.openrndr.extras.meshgenerators.sphere
import org.openrndr.math.transforms.transform
fun main() {
application {
program {
extend(Orbital())
val m = meshGenerator {
sphere(32, 32, 1.0)
group {
box(4.0, 4.0, 4.0)
transform(transform {
translate(0.0, -2.0, 0.0)
})
}
}
extend {
drawer.shadeStyle = shadeStyle {
fragmentTransform = """
x_fill.rgb *= v_viewNormal.z;
""".trimIndent()
}
drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
}
}
}
}

64
orx-mesh-generators/src/demo/kotlin/DemoComplex02.kt Normal file
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import org.openrndr.application
import org.openrndr.draw.DrawPrimitive
import org.openrndr.draw.shadeStyle
import org.openrndr.extras.camera.Orbital
import org.openrndr.extras.meshgenerators.*
import org.openrndr.math.Vector3
import org.openrndr.math.transforms.transform
fun main() {
application {
program {
extend(Orbital())
val m = meshGenerator {
group {
hemisphere(32, 16, 5.0)
transform(transform {
translate(0.0, 12.0, 0.0)
})
}
group {
cylinder(32, 1, 5.0, 6.0)
transform(transform {
translate(0.0, 9.0, 0.0)
rotate(Vector3.UNIT_X, 90.0)
})
}
group {
hemisphere(32, 16, 5.0)
transform(transform {
translate(0.0, 6.0, 0.0)
rotate(Vector3.UNIT_X, 180.0)
})
}
group {
val legCount = 12
val baseRadius = 3.0
val legRadius = 0.05
val legLength = 4.0
for (i in 0 until legCount) {
group {
val dphi = 360.0 / legCount
cylinder(32, 1, legRadius, legLength)
transform(transform {
rotate(Vector3.UNIT_Y, dphi * i)
translate(baseRadius, 0.0, 0.0)
rotate(Vector3.UNIT_Z, -15.0)
translate(0.0, legLength/2.0, 0.0)
rotate(Vector3.UNIT_X, 90.0)
})
}
}
}
}
extend {
drawer.shadeStyle = shadeStyle {
fragmentTransform = """
x_fill.rgb *= v_viewNormal.z;
""".trimIndent()
}
drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
}
}
}
}

85
orx-mesh-generators/src/demo/kotlin/DemoComplex03.kt Normal file
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import org.openrndr.application
import org.openrndr.draw.DrawPrimitive
import org.openrndr.draw.shadeStyle
import org.openrndr.extras.camera.Orbital
import org.openrndr.extras.meshgenerators.*
import org.openrndr.math.Vector3
import org.openrndr.math.transforms.transform
fun main() {
application {
program {
extend(Orbital())
val m = meshGenerator {
group {
hemisphere(32, 16, 5.0)
transform(transform {
translate(0.0, 12.0, 0.0)
})
}
val ridges = 5
val midLength = 6.0
val ridgeLength = midLength / ridges
val ridgeRadius = 5.5
for (r in 0 until ridges) {
group {
taperedCylinder(32, 1, 5.0, ridgeRadius, ridgeLength/ 2.0)
transform(transform {
translate(0.0,
ridgeLength/4.0 + r * ridgeLength + 6.0,
0.0)
rotate(Vector3.UNIT_X, 270.0)
})
}
group {
taperedCylinder(32, 1, ridgeRadius, 5.0, ridgeLength/2.0)
transform(transform {
translate(0.0,
ridgeLength/4.0 + ridgeLength/2.0 + r * ridgeLength + 6.0,
0.0)
rotate(Vector3.UNIT_X, 270.0)
})
}
}
group {
hemisphere(32, 16, 5.0)
transform(transform {
translate(0.0, 6.0, 0.0)
rotate(Vector3.UNIT_X, 180.0)
})
}
group {
val legCount = 12
val baseRadius = 3.0
val legRadius = 0.05
val legLength = 4.0
for (i in 0 until legCount) {
group {
val dphi = 360.0 / legCount
cylinder(32, 1, legRadius, legLength)
transform(transform {
rotate(Vector3.UNIT_Y, dphi * i)
translate(baseRadius, 0.0, 0.0)
rotate(Vector3.UNIT_Z, -15.0)
translate(0.0, legLength/2.0, 0.0)
rotate(Vector3.UNIT_X, 90.0)
})
}
}
}
}
extend {
drawer.shadeStyle = shadeStyle {
fragmentTransform = """
x_fill.rgb *= v_viewNormal.z;
""".trimIndent()
}
drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
}
}
}
}

109
orx-mesh-generators/src/demo/kotlin/DemoComplex04.kt Normal file
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import org.openrndr.application
import org.openrndr.draw.DrawPrimitive
import org.openrndr.draw.shadeStyle
import org.openrndr.extras.camera.Orbital
import org.openrndr.extras.meshgenerators.*
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.transforms.transform
fun main() {
application {
program {
extend(Orbital())
val m = meshGenerator {
val sides = 12
group {
cap(sides, 5.0, listOf(
Vector2(0.0, 1.0),
Vector2(0.5, 1.0),
Vector2(0.5, 0.5),
Vector2(0.9, 0.5),
Vector2(1.0, 0.0))
)
transform(transform {
translate(0.0, 12.0, 0.0)
})
}
val ridges = 5
val midLength = 6.0
val ridgeLength = midLength / ridges
val ridgeRadius = 5.5
for (r in 0 until ridges) {
group {
taperedCylinder(sides, 1, 5.0, ridgeRadius, ridgeLength / 3.0)
transform(transform {
translate(
0.0,
ridgeLength / 6.0 + r * ridgeLength + 6.0,
0.0
)
rotate(Vector3.UNIT_X, 270.0)
})
}
group {
taperedCylinder(sides, 1, ridgeRadius, ridgeRadius, ridgeLength / 3.0)
transform(transform {
translate(
0.0,
ridgeLength / 6.0 + ridgeLength / 3.0 + r * ridgeLength + 6.0,
0.0
)
rotate(Vector3.UNIT_X, 270.0)
})
}
group {
taperedCylinder(sides, 1, ridgeRadius, 5.0, ridgeLength / 3.0)
transform(transform {
translate(
0.0,
ridgeLength / 6.0 + 2 * ridgeLength / 3.0 + r * ridgeLength + 6.0,
0.0
)
rotate(Vector3.UNIT_X, 270.0)
})
}
}
group {
cap(sides, 5.0, listOf(Vector2(0.0, 0.0), Vector2(1.0, 0.0)))
transform(transform {
translate(0.0, 6.0, 0.0)
rotate(Vector3.UNIT_X, 180.0)
})
}
group {
val legCount = 12
val baseRadius = 4.5
val legRadius = 0.05
val legLength = 7.0
for (i in 0 until legCount) {
group {
val dphi = 360.0 / legCount
cylinder(sides, 1, legRadius, legLength)
transform(transform {
rotate(Vector3.UNIT_Y, dphi * i)
translate(baseRadius, 0.0, 0.0)
//rotate(Vector3.UNIT_Z, -15.0)
translate(0.0, legLength / 2.0, 0.0)
rotate(Vector3.UNIT_X, 90.0)
})
}
}
}
}
extend {
drawer.shadeStyle = shadeStyle {
fragmentTransform = """
x_fill.rgb *= v_viewNormal.z;
""".trimIndent()
}
drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
}
}
}
}

36
orx-mesh-generators/src/demo/kotlin/DemoComplex05.kt Normal file
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import org.openrndr.application
import org.openrndr.draw.DrawPrimitive
import org.openrndr.draw.shadeStyle
import org.openrndr.extras.camera.Orbital
import org.openrndr.extras.meshgenerators.*
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.transforms.transform
import org.openrndr.shape.Circle
fun main() {
application {
program {
extend(Orbital())
val m = meshGenerator {
grid(5,5, 5) { u, v, w ->
extrudeShape(Circle(0.0, 0.0, 50.0).shape, 4.0, scale = 0.1)
transform(transform{ translate(u*20.0, v*20.0, w * 20.0)} )
}
twist(360.0/200.0, 0.0)
twist(360.0/200.0, 0.0, Vector3.UNIT_X)
twist(360.0/200.0, 0.0, Vector3.UNIT_Z)
}
extend {
drawer.shadeStyle = shadeStyle {
fragmentTransform = """
x_fill.rgb *= v_viewNormal.z;
""".trimIndent()
}
drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
}
}
}
}

35
orx-mesh-generators/src/demo/kotlin/DemoComplex06.kt Normal file
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@@ -0,0 +1,35 @@
import org.openrndr.application
import org.openrndr.draw.DrawPrimitive
import org.openrndr.draw.shadeStyle
import org.openrndr.extras.camera.Orbital
import org.openrndr.extras.meshgenerators.*
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.transforms.transform
import org.openrndr.shape.Circle
fun main() {
application {
program {
extend(Orbital())
val m = meshGenerator {
grid(5,5, 5) { u, v, w ->
extrudeShape(Circle(0.0, 0.0, 50.0).shape, 4.0, scale = 0.1)
transform(transform{ translate(u*20.0, v*20.0, w * 20.0)} )
}
twist(360.0/200.0, 0.0)
twist(360.0/200.0, 0.0, Vector3.UNIT_X)
twist(360.0/200.0, 0.0, Vector3.UNIT_Z)
}
extend {
drawer.shadeStyle = shadeStyle {
fragmentTransform = """
x_fill.rgb *= v_viewNormal.z;
""".trimIndent()
}
drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
}
}
}
}

3
orx-mesh-generators/src/main/kotlin/Cap.kt
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@@ -3,6 +3,7 @@ package org.openrndr.extras.meshgenerators
import org.openrndr.math.Matrix44
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.YPolarity
import org.openrndr.math.transforms.rotateY
fun generateCap(sides: Int, radius: Double, enveloppe: List<Vector2> = listOf(Vector2(0.0, 0.0), Vector2(1.0, 0.0)), writer: VertexWriter) {
@@ -13,7 +14,7 @@ fun generateCap(sides: Int, radius: Double, enveloppe: List<Vector2> = listOf(Ve
val normals2D = enveloppe.zipWithNext().map {
val d = it.second - it.first
d.normalized.perpendicular()
d.normalized.perpendicular(YPolarity.CCW_POSITIVE_Y)
}
val basePositions = cleanEnveloppe.map { Vector3(it.x, it.y, 0.0) }

4
orx-mesh-generators/src/main/kotlin/Cylinder.kt
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@@ -24,7 +24,7 @@ fun generateTaperedCylinder(sides: Int, segments: Int, radiusStart: Double, radi
val dphi = (Math.PI * 2) / sides
val ddeg = (360.0) / sides
val invertFactor = if (invert) -1.0 else 1.0
val invertFactor = if (invert) 1.0 else -1.0
val dr = radiusEnd - radiusStart
@@ -61,7 +61,7 @@ fun generateTaperedCylinder(sides: Int, segments: Int, radiusStart: Double, radi
val n1 = (Matrix44.rotateZ((side+1) * ddeg) * baseNormal.xyz0).xyz.normalized * invertFactor
if (!invert) {
if (invert) {
vertexWriter(Vector3(x00, y00, z0), n0, Vector2(u0, v0))
vertexWriter(Vector3(x10, y10, z0), n1, Vector2(u0, v1))
vertexWriter(Vector3(x11, y11, z1), n1, Vector2(u1, v1))