Upgrade to webgl2
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@ -3,7 +3,6 @@
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// k: number of subdivisions per edge
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// On my machine, k = [1, 256)
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// I prefer 96
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var k = 64
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// f(x, y): function to graph
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@ -69,8 +68,9 @@ function main() {
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// Retrieve <canvas> element
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var canvas = document.getElementById('webgl');
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// Get the rendering context for WebGL
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var gl = getWebGLContext(canvas);
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// Get the rendering context for WebGL *2*
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var gl = canvas.getContext('webgl2');
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if (!gl) {
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console.log('Failed to get the rendering context for WebGL');
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return;
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@ -151,7 +151,7 @@ function main() {
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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// Draw the cube
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gl.drawElements(gl.TRIANGLES, n, gl.UNSIGNED_SHORT, 0);
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gl.drawElements(gl.TRIANGLES, n, gl.UNSIGNED_INT, 0);
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}
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@ -237,7 +237,7 @@ function initVertexBuffers(gl) {
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var vertices = new Float32Array(bf.vertices);
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var colors = new Float32Array(bf.vertex_colors);
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var normals = new Float32Array(bf.vertex_normals);
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var indices = new Uint16Array(bf.indices);
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var indices = new Uint32Array(bf.indices);
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// Write the vertex property to buffers (coordinates, colors and normals)
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if (!initArrayBuffer(gl, 'a_Position', vertices, 3)) return -1;
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