3D

2019/sketch_190416a/sketch_190416a.pde

@@ -0,0 +1,30 @@
+// Some basic Processing 3D tips
+
+void setup() {
+  size(500, 500, P3D); // the most essentian thing!
+  rectMode(CENTER);
+  // this may cause performance issues
+  hint(ENABLE_DEPTH_SORT); // helps with translucent faces 
+}
+
+void draw() {
+  // ortho(); // changes projection - must be on draw()!
+  background(200);
+  // It's common to have origin at center
+  translate(width/2, height/2);
+  // lousy orbit  
+  rotateY(radians(mouseX));
+  rotateX(radians(mouseY));
+  // now some drawing
+  strokeWeight(2);
+  fill(255, 100);
+  // you can draw 2D stuff in 3D!
+  rect(0, 0, 100, 200);
+  // lines can be (x1, y1, z1, x2, y2, z2)
+  line(50, 100, 0, 0, 0, 50);
+  // some boxes!
+  translate(0, 0, 20);
+  box(10);
+  translate(0, 0, 20);
+  box(30, 20, 10);
+}