[WGL/P] Implemented changing star location and moved the gl buffer setup in there

2 files changed, 10 insertions, 6 deletions

diff --git a/Year 2/Computer Graphics with WebGL/Project/Project.html b/Year 2/Computer Graphics with WebGL/Project/Project.html
index ab7e618..41f4943 100644
--- a/Year 2/Computer Graphics with WebGL/Project/Project.html
+++ b/Year 2/Computer Graphics with WebGL/Project/Project.html
@@ -104,16 +104,13 @@ h2 {
 			skybox = new Skybox(10000, [0,0,0], undefined);

 

 			stars = [

-				new Star([1100,0,1000], 50),

+				new Star([1100,0,1000], 10),

 				// new Star([1000,0,900], 30),

 				// new Star([950,0,1100], 40),

 			];

 						// new Star([1000,0,-1000], 50)

 			// 			new Star([0,0,0], 100)

 			// 			new Star([1000, 0, -30], 20);

-			for (var i = 0; i < starsBuf.length; i++) {

-				gl.uniform4fv(gl.getUniformLocation(glprog, "uStars[" + i + "]"), starsBuf[i]);

-			}

 

 			blackHole = new BlackHole([1000,0,900], 30);

 			for (var i = 0; i < blackHolesBuf.length; i++) {

@@ -139,6 +136,7 @@ h2 {
 			lookUpdate();

 			gl.uniform3fv(uEye, pos);

 

+			stars[0].moveTo(vecSum(stars[0].sphere.center, [-0.5,0,0]));

 			skybox.draw();

 			stars.forEach((s) => s.draw());

 

diff --git a/Year 2/Computer Graphics with WebGL/Project/star.js b/Year 2/Computer Graphics with WebGL/Project/star.js
index 7aebc6c..a98c3cf 100644
--- a/Year 2/Computer Graphics with WebGL/Project/star.js
+++ b/Year 2/Computer Graphics with WebGL/Project/star.js
@@ -2,8 +2,14 @@ starsBuf = [];
 
 Star = function(center, size) {
 	this.sphere = new Sphere(center, size);
-	this.sphere.color = [0.956,0.5,0.215];
-	starsBuf.push([center[0], center[1], center[2], size]);
+	this.sphere.color = [0.956,0.5,0.215];	
+	this.index = starsBuf.push([]) - 1;
+	this.moveTo(center);
+}
+Star.prototype.moveTo = function(newCenter) {
+	this.sphere.center = newCenter;
+	starsBuf[this.index] = newCenter.concat(this.sphere.size);
+	gl.uniform4fv(gl.getUniformLocation(glprog, "uStars[" + this.index + "]"), starsBuf[this.index]);
 }
 Star.prototype.draw = function() {
 	this.sphere.draw();