82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
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class Player {
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constructor(position) {
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this.position = position;
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this.rays = [];
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this.distances = [];
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this.fov = 90;
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this.angle = 0;
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}
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show() {
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fill(100);
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noStroke();
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ellipse(this.position.x, this.position.y, 10);
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}
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update() {
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const sight = sightSlider.value() * 10;
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const fov = fovSlider.value();
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const rotationSpeed = rotationSpeedSlider.value();
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const velocity = velocitySlider.value();
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if (keyIsDown(LEFT_ARROW)) {
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this.angle -= rotationSpeed;
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}
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if (keyIsDown(RIGHT_ARROW)) {
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this.angle += rotationSpeed;
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}
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if (keyIsDown(UP_ARROW)) {
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this.position = angleToVector(this.position.x, this.position.y, this.angle, velocity);
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}
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if (keyIsDown(DOWN_ARROW)) {
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this.position = angleToVector(this.position.x, this.position.y, this.angle, -velocity);
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}
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this.rays = [];
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for (let i = 0 - floor(fov / 2); i < floor(fov / 2); i=i+0.5) {
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this.rays.push(new Ray(this.position.x, this.position.y, radians(i + this.angle), sight));
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}
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for (let r of this.rays) {
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for (let w of walls) {
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r.cast(w);
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}
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r.show();
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}
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this.distances = [];
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for(let i = 0; i<this.rays.length; i++){
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this.distances[i] = this.rays[i].cast();
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}
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display(this.distances);
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}
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}
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function angleToVector(xCoord, yCoord, angle, length) {
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length = typeof length != 'undefined' ? length : 10;
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angle = angle * Math.PI / 180; // if you're using degrees instead of radians
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return createVector(length * Math.cos(angle) + xCoord, length * Math.sin(angle) + yCoord);
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}
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function display(distances) {
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let c = color(0, 0, 0)
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fill(c);
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rect(961,0,960,850);
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fill(200);
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stroke(200);
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let length = distances.length;
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let width = ceil(960/length);
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for(let i = 0; i<length; i++){
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if(distances[i]){
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let height = 100000 * (1/distances[i]);
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c = color(map(1/distances[i],0,0.01,0,255));
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fill(c);
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noStroke();
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rect(960 + width*i, 430 - height/2,width,height);
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}
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}
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}
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