[그루비와 프로세싱] 정사영 투영법

package episode015

import processing.core.PApplet

class DisplayTest extends PApplet {

    def void setup() {
        size(640, 480, P3D)
        frameRate(60)
    }

    def void draw() {
        background(0, 0, 0)

        // 正射影投影法
        ortho()
        // (0, 0)を中央へ
        translate(width / 2, height / 2, 0)

        noStroke()
        fill(255, 255, 255)
        triangle(320, 240, -320, 240, 320, -240)
    }

    def static void main(args) {
        PApplet.main('episode015.DisplayTest')
    }
}