ported ray casting examples from p5.xr

Author: codeanticode

mode/libraries/vr/examples/GenerateRay/GenerateRay.pde

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+import processing.vr.*;
+
+float[] randomx = new float[5];
+float[] randomy = new float[5];
+VRCamera cam;
+
+void setup() {
+  fullScreen(VR);
+  cameraUp();
+  cam = new VRCamera(this);
+
+  for (int i = 0; i < 5; ++i) {
+    randomx[i] = random(-500, 500);
+    randomy[i] = random(-500, 500);
+  }
+}
+
+void draw() {
+  backgroundColor(200, 0, 150);
+
+  cam.setPosition(0, 0, 400);
+  push();
+  translate(randomx[0], randomy[0]);
+  fill(0, 255, 0);
+  sphere(30);
+  rotateZ(millis() / 1000);
+  line(0, 0, 0, 1000, 1000, 0);
+  PVector[] ray = generateRay(0, 0, 0, 1000, 1000, 0);
+
+  pop();
+  for (int i = 1; i < 5; ++i) {
+    push();
+    translate(randomx[i], randomy[i]);
+    fill(255, 0, 0);
+    if (intersectsSphere(70, ray)) {
+      fill(0, 0, 255);
+    }
+    sphere(70);
+    pop();
+  }
+}

mode/libraries/vr/examples/GenerateRay/code/sketch.properties

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+mode=Android
+component=vr
+mode.id=processing.mode.android.AndroidMode

mode/libraries/vr/examples/IntersectsBox/IntersectsBox.pde

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+import processing.vr.*;
+
+VRCamera cam;
+float rotSpeed = 0.3; 
+float rotAngle = 0;
+
+void setup() {
+  fullScreen(VR);
+  cameraUp();
+  VRCamera cam;
+}
+
+void draw() {
+  backgroundColor(200, 0, 150);
+
+  cam.setPosition(0, 0, 200);
+  push();
+  angleMode(DEGREES);
+  rotateZ(rotAngle);
+  translate(100, 0, 0);
+  fill(255, 0, 0);
+  if (intersectsBox(50)) {
+    rotAngle += rotSpeed;
+    fill(0, 0, 255);
+  }
+  box(50);
+  pop();
+}

mode/libraries/vr/examples/IntersectsBox/code/sketch.properties

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+mode=Android
+component=vr
+mode.id=processing.mode.android.AndroidMode

mode/libraries/vr/examples/IntersectsPlane/IntersectsPlane.pde

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+import processing.vr.*;
+
+VRCamera cam;
+float x, y;
+
+void setup() {
+  fullScreen(VR);
+  cameraUp();
+  VRCamera cam;
+}
+
+void draw() {
+  backgroundColor(200, 0, 150);
+
+  cam.setPosition(0, 0, 400);
+  fill(255,170,238);
+//  plane(400, 400);
+  fill(255, 0, 0);
+  translate(x, y, 0);
+  PVector offset;
+  if (intersectsBox(60)) {
+    translate(-x, -y, 0);
+    fill(0, 0, 255);
+    offset = intersectsPlane(0, 0);
+    x = offset.x;
+    y = offset.y;
+  }
+  translate(x, y, 0);
+  box(60);
+}

mode/libraries/vr/examples/IntersectsPlane/code/sketch.properties

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+mode=Android
+component=vr
+mode.id=processing.mode.android.AndroidMode

mode/libraries/vr/examples/IntersectsSphere/IntersectsSphere.pde

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+import processing.vr.*;
+
+float[] randomx = new float[5];
+float[] randomy = new float[5];
+VRCamera cam;
+
+void setup() {
+  fullScreen(VR);
+  cameraUp();
+  cam = new VRCamera(this);
+
+  for (int i = 0; i < 5; ++i) {
+    randomx[i] = random(-500, 500);
+    randomy[i] = random(-500, 500);
+  }
+}
+
+void draw() {
+  backgroundColor(200, 0, 150);
+
+  cam.setPosition(0, 0, 400);
+  for (int i = 0; i < 5; ++i) {
+    push();
+    translate(randomx[i], randomy[i]);
+    fill(255, 0, 0);
+    if (intersectsSphere(70, 0, 0)) {
+      fill(0, 0, 255);
+    }
+    sphere(70);
+//    noLoop();
+    pop();
+  }
+  cam.sticky();
+  circle(windowWidth/2, windowHeight/2, 25);
+//  image(pg, -windowWidth/2, -windowHeight/2, windowWidth, windowHeight);
+  cam.noSticky();
+}

mode/libraries/vr/examples/IntersectsSphere/code/sketch.properties

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+mode=Android
+component=vr
+mode.id=processing.mode.android.AndroidMode