This commit is contained in:
Tyler Murphy 2023-01-19 09:54:17 -05:00
commit 19a144a609
2 changed files with 70 additions and 1 deletions

View file

@ -10,9 +10,15 @@ export { Mat4 } from './math/Mat4.js'
export { Vec2 } from './math/Vec2.js'
export { Vec3 } from './math/Vec3.js'
export { Loop }
export { DT }
var DT = 0;
var last = Date.now()
const Loop = (fn) => {
const callback = () => {
var now = Date.now()
DT = ( now - last) / 1000
last = now
fn()
window.requestAnimationFrame(callback)
}

View file

@ -32,7 +32,70 @@ async function main() {
GL.Loop(() => {
Renderer.draw(Scene, Camera)
Cube.rotation.add(a)
});
updateInputs(Camera)
});
}
const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
const LEFT = 37;
const RIGHT = 39;
const UP = 38;
const DOWN = 40;
const W = 87;
const A = 65;
const S = 83;
const D = 68;
const Q = 81;
const E = 69;
const lookSpeed = 50;
const moveSpeed = 10;
function updateInputs(Camera) {
var rotate = new GL.Vec3();
if (keys[RIGHT]) rotate.y += 1;
if (keys[LEFT]) rotate.y -= 1;
if (keys[UP]) rotate.x -= 1;
if (keys[DOWN]) rotate.x += 1;
if(rotate.dot(rotate) > Number.EPSILON) {
var normal = rotate.normalize()
console.log(lookSpeed * GL.DT * normal.x, lookSpeed * GL.DT * normal.y)
Camera.rotation.x += lookSpeed * GL.DT * normal.x;
Camera.rotation.y += lookSpeed * GL.DT * normal.y;
Camera.rotation.z += lookSpeed * GL.DT * normal.z;
}
Camera.rotation.x = clamp(Camera.rotation.x, -90, 90)
Camera.rotation.y = Camera.rotation.y % 360
const yaw = Camera.rotation.y * (Math.PI/180);
var forward = new GL.Vec3(Math.sin(yaw), 0, Math.cos(yaw));
var right = new GL.Vec3(forward.z, 0, -forward.x);
var up = new GL.Vec3(0, 1, 0);
var move = new GL.Vec3();
if (keys[W]) move.sub(forward)
if (keys[S]) move.add(forward)
if (keys[A]) move.sub(right)
if (keys[D]) move.add(right)
if (keys[Q]) move.sub(up)
if (keys[E]) move.add(up)
if(move.dot(move) > Number.EPSILON) {
var normal = move.normalize()
Camera.position.x += moveSpeed * GL.DT * normal.x;
Camera.position.y += moveSpeed * GL.DT * normal.y;
Camera.position.z += moveSpeed * GL.DT * normal.z;
}
}
var keys = {}
function setupInputs() {
document.onkeydown = function(e) {
keys[e.keyCode] = true;
};
document.onkeyup = function(e) {
keys[e.keyCode] = false;
}
}
setupInputs()
main()