michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: "use strict";
michael@0: 
michael@0: let isWebGLAvailable;
michael@0: 
michael@0: function onWebGLFail() {
michael@0:   isWebGLAvailable = false;
michael@0: }
michael@0: 
michael@0: function onWebGLSuccess() {
michael@0:   isWebGLAvailable = true;
michael@0: }
michael@0: 
michael@0: function test() {
michael@0:   if (!isWebGLSupported()) {
michael@0:     info("Skipping tilt_gl04 because WebGL isn't supported on this hardware.");
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   let canvas = createCanvas();
michael@0: 
michael@0:   let renderer = new TiltGL.Renderer(canvas, onWebGLFail, onWebGLSuccess);
michael@0:   let gl = renderer.context;
michael@0: 
michael@0:   if (!isWebGLAvailable) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0: 
michael@0:   renderer.perspective();
michael@0:   ok(isApproxVec(renderer.projMatrix, [
michael@0:     1.2071068286895752, 0, 0, 0, 0, -2.4142136573791504, 0, 0, 0, 0,
michael@0:     -1.0202020406723022, -1, -181.06602478027344, 181.06602478027344,
michael@0:     148.14492797851562, 181.06602478027344
michael@0:   ]), "The default perspective proj. matrix wasn't calculated correctly.");
michael@0: 
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
michael@0:   ]), "Changing the perpective matrix should reset the modelview by default.");
michael@0: 
michael@0: 
michael@0:   renderer.ortho();
michael@0:   ok(isApproxVec(renderer.projMatrix, [
michael@0:     0.006666666828095913, 0, 0, 0, 0, -0.013333333656191826, 0, 0, 0, 0, -1,
michael@0:     0, -1, 1, 0, 1
michael@0:   ]), "The default ortho proj. matrix wasn't calculated correctly.");
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
michael@0:   ]), "Changing the ortho matrix should reset the modelview by default.");
michael@0: 
michael@0: 
michael@0:   renderer.projection(mat4.perspective(45, 1, 0.1, 100));
michael@0:   ok(isApproxVec(renderer.projMatrix, [
michael@0:     2.4142136573791504, 0, 0, 0, 0, 2.4142136573791504, 0, 0, 0, 0,
michael@0:     -1.0020020008087158, -1, 0, 0, -0.20020020008087158, 0
michael@0:   ]), "A custom proj. matrix couldn't be set correctly.");
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
michael@0:   ]), "Setting a custom proj. matrix should reset the model view by default.");
michael@0: 
michael@0: 
michael@0:   renderer.translate(1, 1, 1);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1
michael@0:   ]), "The translation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.rotate(0.5, 1, 1, 1);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     0.9183883666992188, 0.317602276802063, -0.23599065840244293, 0,
michael@0:     -0.23599065840244293, 0.9183883666992188, 0.317602276802063, 0,
michael@0:     0.317602276802063, -0.23599065840244293, 0.9183883666992188, 0, 1, 1, 1, 1
michael@0:   ]), "The rotation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.rotateX(0.5);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     0.9183883666992188, 0.317602276802063, -0.23599065840244293, 0,
michael@0:     -0.05483464524149895, 0.6928216814994812, 0.7190210819244385, 0,
michael@0:     0.391862154006958, -0.6474001407623291, 0.6536949872970581, 0, 1, 1, 1, 1
michael@0:   ]), "The X rotation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.rotateY(0.5);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     0.6180928945541382, 0.5891023874282837, -0.5204993486404419, 0,
michael@0:     -0.05483464524149895, 0.6928216814994812, 0.7190210819244385, 0,
michael@0:     0.7841902375221252, -0.4158804416656494, 0.4605313837528229, 0, 1, 1, 1, 1
michael@0:   ]), "The Y rotation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.rotateZ(0.5);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     0.5161384344100952, 0.8491423726081848, -0.11206408590078354, 0,
michael@0:     -0.3444514572620392, 0.3255774974822998, 0.8805410265922546, 0,
michael@0:     0.7841902375221252, -0.4158804416656494, 0.4605313837528229, 0, 1, 1, 1, 1
michael@0:   ]), "The Z rotation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.scale(2, 2, 2);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1.0322768688201904, 1.6982847452163696, -0.22412817180156708, 0,
michael@0:     -0.6889029145240784, 0.6511549949645996, 1.7610820531845093, 0,
michael@0:     1.5683804750442505, -0.8317608833312988, 0.9210627675056458, 0, 1, 1, 1, 1
michael@0:   ]), "The Z rotation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.transform(mat4.create());
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1.0322768688201904, 1.6982847452163696, -0.22412817180156708, 0,
michael@0:     -0.6889029145240784, 0.6511549949645996, 1.7610820531845093, 0,
michael@0:     1.5683804750442505, -0.8317608833312988, 0.9210627675056458, 0, 1, 1, 1, 1
michael@0:   ]), "The identity matrix transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.origin(1, 1, 1);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
michael@0:   ]), "The origin wasn't reset to identity correctly.");
michael@0: 
michael@0:   renderer.translate(1, 2);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1
michael@0:   ]), "The second translation transformation wasn't applied correctly.");
michael@0: 
michael@0:   renderer.scale(3, 4);
michael@0:   ok(isApproxVec(renderer.mvMatrix, [
michael@0:     3, 0, 0, 0, 0, 4, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1
michael@0:   ]), "The second scale transformation wasn't applied correctly.");
michael@0: }