bostongfx · SandeepSinghSardar · Sep 12, 2022 · Sep 19, 2022 · Sep 20, 2022 · Sep 27, 2022
diff --git a/02/My_CS460_Assignment_02_.pdf b/02/My_CS460_Assignment_02_.pdf
diff --git a/02/index.html b/02/index.html
@@ -0,0 +1,109 @@
+<html>
+  <head>
+    <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
+    <meta content="utf-8" http-equiv="encoding">
+    <title>CS460 Assignment 2</title>
+    <style>
+      body {
+        background-color: black;
+        color: white; /* font color */
+        font-family: sans-serif;
+        margin: 0;
+        padding: 0;
+        height: 100%;
+        overflow: hidden !important;
+      }
+
+      #logo {
+        position: absolute;
+        right: 10px;
+        top: 10px;
+      }
+    </style>
+
+    <script type="text/javascript" src="https://get.goXTK.com/xtk_edge.js"></script>
+
+    <script type="text/javascript">
+
+    window.onload = function() {
+
+      // this gets called when the site is ready
+
+      // create a new scene and renderer
+      r = new X.renderer3D();
+      r.init();
+
+      draw_row([0,0,0],1, [1,1,0]); // start, howmany, color
+      draw_row([6*25,0,0],1, [1,1,0]);
+
+      draw_row([0,25,0],2, [1,1,0]);
+      draw_row([5*25,25,0],2, [1,1,0]);
+
+      draw_row([0,25*2,0], 7, [1,1,0]);
+
+      eyes = [];
+      draw_row([0,25*3,0], 1, [0,1,1]);
+      draw_row([25,25*3,0], 2, [1,0,0], true);
+      draw_row([75,25*3,0], 1, [0,1,1]);
+      draw_row([100,25*3,0], 2, [1,0,0], true);
+      draw_row([150,25*3,0], 1, [0,1,1]);
+
+      draw_row([0,25*4,0], 7, [0,1,0]);
+      draw_row([0,25*5,0], 7, [0,1,0]);
+
+      draw_row([25,25*6,0], 2, [0,1,0]);
+      draw_row([75,25*6,0], 1, [1,0,0]);
+      draw_row([100,25*6,0], 2, [0,1,0]);
+
+      draw_row([50,25*7,1], 3, [0,1,0]);
+
+      r.camera.position = [0,0,1000];
+
+      // render everything!
+      r.render();
+
+      eyesclosed = false;
+      setInterval(function() {
+        if (eyesclosed) {
+          // open the eyes
+          for (e in eyes) { 
+            eyes[e].color = [1,0,0];
+          }
+          eyesclosed = false;
+        } else {
+          // close the eyes
+          for (e in eyes) { 
+            eyes[e].color = [0,1,1];
+          }  
+          eyesclosed = true;
+        }
+
+      },500);
+
+    };
+
+    function draw_row(start, howmany, color, keeptrack) {
+
+      var gap=2;
+
+      for (var i=0; i<howmany; i++) {
+
+        c = new X.cube();
+        c.color = color;
+        c.center = [start[0]+i*20+i*5, start[1], start[2]];
+        r.add(c);
+        if (keeptrack) {
+          eyes.push(c);
+        }
+
+      }
+
+    }
+
+    </script>
+  </head>
+  <body>
+    <h1>CS460 Assignment 2</h1>
+    <div id="logo"><img style="height:60px" src="gfx/cs460.png"></div>
+  </body>
+</html>
diff --git a/03/My_CS460_Assignment_03_.pdf b/03/My_CS460_Assignment_03_.pdf
diff --git a/03/index.html b/03/index.html
@@ -0,0 +1,144 @@
+<html>
+  <head>
+    <meta charset="UTF-8" />
+    <style>
+      html, body { 
+        background-color:#000;
+        margin: 0;
+        padding: 0;
+        height: 100%;
+        overflow: hidden !important;  
+      }
+    </style>
+    <script src="https://threejs.org/build/three.min.js" type="text/javascript"></script>
+    <script src="https://threejs.org/examples/js/controls/TrackballControls.js" type="text/javascript"></script>
+    <script>
+      window.onload = function() {
+
+        scene = new THREE.Scene();
+
+        fov = 75;
+        ratio = window.innerWidth / window.innerHeight;
+        zNear = 1;
+        zFar = 10000;
+        // console.log(ratio);
+        camera = new THREE.PerspectiveCamera(fov, ratio, zNear, zFar);
+        camera.position.set( 0, 0, 100);
+
+        renderer = new THREE.WebGLRenderer();
+        renderer.setSize( window.innerWidth, window.innerHeight );
+        document.body.appendChild( renderer.domElement );
+
+        ambientLight = new THREE.AmbientLight( 0xE5E5E5 );
+        scene.add( ambientLight );
+
+        light = new THREE.DirectionalLight( 0xffffff, 5.0 );
+        light.position.set( 10, 100, 10 );
+        scene.add( light );
+
+
+        //
+        // The invisible plane
+        //
+        geometry = new THREE.PlaneBufferGeometry( 10000, 10000 );
+        material = new THREE.MeshBasicMaterial( {
+          visible: false
+        });
+
+        invisible_plane = new THREE.Mesh( geometry, material );
+
+        scene.add( invisible_plane );
+        //
+        //
+        //
+
+
+
+        controls = new THREE.TrackballControls( camera, renderer.domElement );
+
+        animate();
+
+
+        //
+        // ACTION!
+        //
+
+        objNum = 0;
+
+        renderer.domElement.onmousemove = function(e) {
+
+          if (!e.shiftKey) {
+            e.preventDefault();
+            return false;
+          }
+
+          console.log('yes! you clicked!');
+
+          pixel_coords = new THREE.Vector2( e.clientX, e.clientY );
+
+          console.log('Pixel coordinates', pixel_coords);
+
+          vp_coords = new THREE.Vector2( ( pixel_coords.x / window.innerWidth ) * 2 - 1,
+                                        -( pixel_coords.y / window.innerHeight ) * 2 + 1);
+
+          console.log('Viewport coordinates', vp_coords);
+
+          vp_coords_near = new THREE.Vector3( vp_coords.x, vp_coords.y, 0);
+
+          raycaster = new THREE.Raycaster();
+          raycaster.setFromCamera(vp_coords_near, camera);
+          intersects = raycaster.intersectObject(invisible_plane);
+
+          console.log('Ray to Invisible Plane', intersects[0].point);
+
+
+
+          var r = Math.floor(Math.random() * 6);
+          var c;
+          if (r == 0){
+              geometry = new THREE.BoxBufferGeometry(10, 10, 10);
+          }
+          else if (r == 1) {
+              geometry = new THREE.TorusKnotBufferGeometry(5, 1.5, 100, 16);
+          }
+          else if (r == 2) {
+              geometry = new THREE.SphereBufferGeometry(8, 8, 8);
+          }
+          else if (r == 3) {
+              geometry = new THREE.OctahedronBufferGeometry(10);
+          }
+          else if (r == 4) {
+              geometry = new THREE.ConeBufferGeometry(8, 7);
+          }
+          else {
+              geometry = new THREE.RingBufferGeometry(5, 8, 64, 1, 0, Math.PI*2);
+          }
+
+          //Got it here https://stackoverflow.com/questions/5092808/how-do-i-randomly-generate-html-hex-color-codes-using-javascript
+          var r_color = '#'+(Math.random() * 0xFFFFFF << 0).toString(16).padStart(6, '0');
+          material = new THREE.MeshStandardMaterial({color: r_color});
+          c = new THREE.Mesh( geometry, material);
+          scene.add(c);
+          objNum++;
+          c.position.set(intersects[0].point.x, intersects[0].point.y, intersects[0].point.z);
+
+        };
+
+
+
+
+      };
+
+      function animate() {
+
+        requestAnimationFrame( animate );
+
+        controls.update();
+        renderer.render( scene, camera );
+
+      };
+
+    </script>
+  </head>
+  <body></body>
+</html>
diff --git a/04/My_CS460_Assignment_04_ .pdf b/04/My_CS460_Assignment_04_ .pdf