1 files changed, 85 insertions, 5 deletions
diff --git a/blockgame/main.js b/blockgame/main.js
index d7bf3ea..d797889 100644
--- a/blockgame/main.js
+++ b/blockgame/main.js
@@ -1,4 +1,20 @@
-import * as shaders from "./shaders.js"
+import * as _shaders from "./shaders.js"
+import * as _mesh from "./mesh.js"
+import * as _camera from "./camera.js"
+
+/*function drawScene(gl, shader, camera, mesh) {
+	gl.clearColor(0.0, 0.0, 0.0, 1.0);
+	gl.clearDepth(1.0);
+	gl.enable(gl.DEPTH_TEST);
+	gl.depthFunc(gl.LEQUAL);
+
+	gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+
+	gl.useProgram(shader.program);
+	camera.use(gl, shader);
+
+	gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
+}
 
 function main() {
 	const canvas = document.querySelector("#glCanvas");
@@ -9,10 +25,74 @@ function main() {
 	    return;
 	}
 	
-	const shaderProgram = shaders.init(gl);
+	const shader = _shaders.init(gl);
+	const mesh = new _mesh.Mesh(gl, 2);
+	const camera = new _camera.Camera(gl, 45, 0.1, 1000.0);
+	camera.setpos(vec3.create(0, 0, -6.0));
+
+	mesh.add_positions(gl, 
+		[-1.0,   1.0, 
+		  1.0,   1.0, 
+		 -1.0,  -1.0,
+		  1.0,  -1.0]);
+	mesh.addattrib(gl, shader, mesh.posbuffer, 2, gl.FLOAT, false, 0, 0);
+
+	drawScene(gl, shader, camera, mesh);
+
+	console.log(mesh);
+	console.log(camera);
+	console.log(shader);
+}*/
+
+main();
+
+//
+// Start here
+//
+function main() {
+	const canvas = document.querySelector('#glCanvas');
+	const gl = canvas.getContext('webgl');
 	
-	gl.clearColor(0.0, 0.0, 0.0, 1.0);
-	gl.clear(gl.COLOR_BUFFER_BIT);
+	// If we don't have a GL context, give up now
+	
+	if (!gl) {
+	  alert('Unable to initialize WebGL. Your browser or machine may not support it.');
+	  return;
+	}
+	
+	// Vertex shader program
+	const shader = _shaders.init(gl);
+	const mesh = new _mesh.Mesh(gl, 2);
+	const camera = new _camera.Camera(gl);
+	
+	const positions = [
+	   1.0,  1.0,
+	  -1.0,  1.0,
+	   1.0, -1.0,
+	  -1.0, -1.0,
+	];
+	mesh.add_positions(gl, positions);
+	
+	drawScene(gl, shader, camera, mesh);
+}
+
+function drawScene(gl, shader, camera, mesh) {
+  gl.clearColor(0.0, 0.0, 0.0, 1.0);  // Clear to black, fully opaque
+  gl.clearDepth(1.0);                 // Clear everything
+  gl.enable(gl.DEPTH_TEST);           // Enable depth testing
+  gl.depthFunc(gl.LEQUAL);            // Near things obscure far things
+
+  gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+  mesh.addattrib(gl, shader, mesh.posbuffer, 2, gl.FLOAT, false, 0, 0);
+
+  gl.useProgram(shader.program);
+  camera.use(gl, shader);
+
+  {
+    const offset = 0;
+    const vertexCount = 4;
+    gl.drawArrays(gl.TRIANGLE_STRIP, offset, vertexCount);
+  }
 }
 
-window.onload = main;
+//window.onload = main;