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SierpinskiRipple.scala
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SierpinskiRipple.scala
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/*
* Copyright 2015 Creative Scala
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package doodle
package image
package examples
import doodle.core._
import doodle.image.Image
import doodle.syntax.all._
object SierpinskiRipple {
def triangle(size: Double, color: Color): Image = {
Image.equilateralTriangle(size).fillColor(color).strokeColor(color)
}
def sierpinski(n: Int, size: Double, color: Color): Image = {
if (n == 1) {
triangle(size, color)
} else {
sierpinski(n - 1, size / 2, color.spin(-10.degrees))
.above(
sierpinski(n - 1, size / 2, color.spin(37.degrees))
.beside(sierpinski(n - 1, size / 2, color.spin(79.degrees)))
)
}
}
val image = sierpinski(10, 1024, Color.brown)
}