Added streaming simulation

2015-04-07 16:05:43 +02:00
parent 96db6d177f
commit f1a7d1c033
4 changed files with 207 additions and 0 deletions
--- a/js/ProgressiveSphere.js
+++ b/js/ProgressiveSphere.js
@@ -0,0 +1,80 @@
+var ProgessiveSphere = function(loader) {
+    Displayable.call(this);
+    this.started = false;
+    this.finished = false;
+    this.wasFinished = false;
+    this.begin = false;
+    this.addedToScene = false;
+
+    (function(self) {
+        loader.load('/data/spheres/4.obj', function(object) {
+            object.traverse(function(child) {
+                if (child instanceof THREE.Mesh) {
+                    child.up = new THREE.Vector3(0,0,1);
+                    self.totalMesh = child;
+                    self.geometry = new THREE.Geometry();
+                    self.material = new THREE.MeshLambertMaterial();
+                    self.material.color.setRGB(1,0,0);
+                    self.material.side = THREE.DoubleSide;
+                    self.mesh = new THREE.Mesh(self.geometry, self.material);
+                    self.current_face = 0;
+                    self.started = true;
+                    self.begin = true;
+                    self.addToScene(scene);
+                }
+            });
+        });
+    })(this);
+
+}
+ProgessiveSphere.prototype = Object.create(Displayable.prototype);
+ProgessiveSphere.prototype.constructor = ProgessiveSphere;
+
+ProgessiveSphere.prototype.addFace = function() {
+    if (this.started && this.begin && this.addedToScene) {
+        if (this.current_face < this.totalMesh.geometry.attributes.position.array.length / 3) {
+
+            // Add the 3 new vertices
+            this.geometry.vertices.push(new THREE.Vector3(
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face],
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+1],
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+2]
+            ));
+
+            this.geometry.vertices.push(new THREE.Vector3(
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+3],
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+4],
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+5]
+            ));
+
+            this.geometry.vertices.push(new THREE.Vector3(
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+6],
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+7],
+                this.totalMesh.geometry.attributes.position.array[3*this.current_face+8]
+            ));
+
+            // Add the new face
+            this.geometry.faces.push(new THREE.Face3(this.current_face, this.current_face+1, this.current_face+2));
+
+            // Update the stuff
+            this.geometry.computeFaceNormals();
+            this.current_face += 3;
+            this.geometry.elementsNeedUpdate = true;
+            this.geometry.normalsNeedUpdate = true;
+            this.geometry.verticesNeedUpdate = true;
+            this.geometry.groupsNeedUpdate = true;
+        } else {
+            this.finished = true;
+        }
+    }
+
+    if (!this.wasFinished && this.finished) {
+        this.wasFinished = true;
+        alert("Finished reconstructing the mesh !");
+    }
+}
+
+ProgessiveSphere.prototype.addToScene = function(scene) {
+    Displayable.prototype.addToScene.call(this, scene);
+    this.addedToScene = true;
+}