Created
February 12, 2014 19:58
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Playing with three.js
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<html> | |
<head> | |
<title>My first Three.js app</title> | |
<style> | |
canvas { width: 100%; height: 100% } | |
html,body { overflow: hidden; margin: 0 } | |
</style> | |
</head> | |
<body> | |
<script src="three.js"></script> | |
<script>window.THREE || document.write('<script src="https://rawgithub.com/mrdoob/three.js/master/build/three.js">\x3C/script>')</script> | |
<script src="live.js"></script> | |
<script> | |
var scene = new THREE.Scene() | |
var camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000) | |
var renderer = new THREE.WebGLRenderer() | |
var canvas = renderer.domElement | |
renderer.setSize(window.innerWidth, window.innerHeight) | |
document.body.appendChild(canvas) | |
var havePointerLock = 'pointerLockElement' in document || 'mozPointerLockElement' in document || 'webkitPointerLockElement' in document | |
console.log(havePointerLock) | |
canvas.requestPointerLock = canvas.requestPointerLock || canvas.mozRequestPointerLock || canvas.webkitRequestPointerLock | |
canvas.requestPointerLock() | |
var geometry = new THREE.CubeGeometry(1,1,1) | |
var material = new THREE.MeshBasicMaterial({ | |
color: 0x05aa50, | |
wireframe: true, | |
wireframeLinewidth: 3, | |
vertexColors: THREE.FaceColors | |
}) | |
for(var i = 0; i < 10; i++){ | |
var cube = new THREE.Mesh(geometry, material) | |
cube.position.x = Math.random() * 10 - (Math.random() * 10) | |
cube.position.y = Math.random() * 10 - (Math.random() * 10) | |
cube.position.z = Math.random() * 10 - (Math.random() * 10) | |
scene.add(cube) | |
} | |
var axis_helper = new THREE.AxisHelper(5) | |
scene.add(axis_helper) | |
camera.position.z = 2 | |
camera.position.y = 10 | |
camera.position.x = 5 | |
camera.rotation.x = -.5 | |
var render = function () { | |
requestAnimationFrame(render) | |
if(action.forward) | |
camera.position.z -= .05 | |
if(action.backward) | |
camera.position.z += .05 | |
if(action.up) | |
camera.position.y += .05 | |
if(action.down) | |
camera.position.y -= .05 | |
if(action.left) | |
camera.position.x -= .05 | |
if(action.right) | |
camera.position.x += .05 | |
cube.rotation.x += 0.001 | |
cube.rotation.y += 0.01 | |
cube.rotation.z += 0.005 | |
renderer.render(scene, camera) | |
} | |
var action = { | |
forward: false, | |
backward: false, | |
right: false, | |
left: false, | |
up: false, | |
down: false, | |
} | |
document.addEventListener('keyup', function(e){ | |
switch(e.keyCode){ | |
case KEY.UP: | |
action.forward = false | |
break | |
case KEY.DOWN: | |
action.backward = false | |
break | |
case KEY.LEFT: | |
action.left = false | |
break | |
case KEY.RIGHT: | |
action.right = false | |
break | |
case KEY.SPACE: | |
action.up = false | |
break | |
case KEY.C: | |
action.down = false | |
break | |
} | |
}) | |
document.addEventListener('keydown', function(e){ | |
switch(e.keyCode){ | |
case KEY.UP: | |
action.forward = true | |
break | |
case KEY.DOWN: | |
action.backward = true | |
break | |
case KEY.LEFT: | |
action.left = true | |
break | |
case KEY.RIGHT: | |
action.right = true | |
break | |
case KEY.SPACE: | |
action.up = true | |
break | |
case KEY.C: | |
action.down = true | |
break | |
} | |
}) | |
var pointer_locked = false | |
var mouse_clicked = false | |
var start_move = { | |
x: 0, | |
y: 0, | |
} | |
var start_rotation | |
document.addEventListener('mousemove', function(e){ | |
if(pointer_locked){} | |
else{ | |
if(mouse_clicked){ | |
x_dir = Math.cos(camera.rotation.x) * Math.cos(camera.rotation.y) | |
y_dir = Math.sin(camera.rotation.x) * Math.cos(camera.rotation.y) | |
z_dir = Math.sin(camera.rotation.y) | |
var dir = new THREE.Vector3(x_dir, y_dir, z_dir) | |
dir.normalize() | |
var diff_x = e.screenX - start_move.x | |
var diff_y = e.screenY - start_move.y | |
dir.x += (diff_x / 10000) | |
dir.y += (diff_y / 10000) | |
camera.rotation.x += dir.x | |
camera.rotation.y += dir.y | |
} | |
} | |
}) | |
document.addEventListener('mouseup', function(e){ | |
mouse_clicked = false | |
}) | |
document.addEventListener('mousedown', function(e){ | |
start_move.x = e.screenX | |
start_move.y = e.screenY | |
start_rotation = camera.rotation | |
mouse_clicked = true | |
}) | |
function pointer_lock_callback(e){ | |
if(document.pointerLockElement === canvas || document.mozPointerLockElement === canvas || document.webkitPointerLockElement === canvas){ | |
pointer_locked = true | |
console.log("All Good!") | |
}else{ | |
pointer_locked = false | |
console.log("Not locked...") | |
} | |
} | |
document.addEventListener('pointerlockchange', pointer_lock_callback, false) | |
document.addEventListener('mozpointerlockchange', pointer_lock_callback, false) | |
document.addEventListener('webkitpointerlockchange', pointer_lock_callback, false) | |
document.addEventListener('pointerlockerror', pointer_lock_callback, false) | |
document.addEventListener('mozpointerlockerror', pointer_lock_callback, false) | |
document.addEventListener('webkitpointerlockerror', pointer_lock_callback, false) | |
KEY = { | |
BACKSPACE: 8, | |
TAB: 9, | |
RETURN: 13, | |
ESC: 27, | |
SPACE: 32, | |
PAGEUP: 33, | |
PAGEDOWN: 34, | |
END: 35, | |
HOME: 36, | |
LEFT: 37, | |
UP: 38, | |
RIGHT: 39, | |
DOWN: 40, | |
INSERT: 45, | |
DELETE: 46, | |
ZERO: 48, ONE: 49, TWO: 50, THREE: 51, FOUR: 52, FIVE: 53, SIX: 54, SEVEN: 55, EIGHT: 56, NINE: 57, | |
A: 65, B: 66, C: 67, D: 68, E: 69, F: 70, G: 71, H: 72, I: 73, J: 74, K: 75, L: 76, M: 77, | |
N: 78, O: 79, P: 80, Q: 81, R: 82, S: 83, T: 84, U: 85, V: 86, W: 87, X: 88, Y: 89, Z: 90, | |
TILDA: 192 | |
} | |
render() | |
</script> | |
</body> | |
</html> |
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