61 lines
1.4 KiB
JavaScript
61 lines
1.4 KiB
JavaScript
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export const distance = (r1, r2) => {
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return Math.sqrt(
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Math.pow(r1.location.x - r2.location.x, 2) +
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Math.sqrt(Math.pow(r1.location.y - r2.location.y, 2)),
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);
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};
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export const quickDistance = (r1, r2) => {
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return (
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Math.pow(r1.location.x - r2.location.x, 2) +
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Math.pow(r1.location.y - r2.location.y, 2)
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);
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};
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export class GridPhysics {
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passiveMovement = (sprite, delta = 2) => {
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let speed = sprite.speed ?? 0;
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if (speed !== 0 && "orientation" in sprite) {
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sprite._updatePos(sprite.orientation, speed * delta * 0.5);
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}
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};
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activeMovement = (sprite, action, speed, delta = 2) => {
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// console.log(`[ActiveMovement] ${sprite} ${action}`);
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if (!speed) {
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speed = speed ?? sprite.speed ?? 1.0;
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}
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if (speed !== 0 && (action !== null || action !== undefined))
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sprite._updatePos(action, speed * delta* 0.5);
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};
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calculateActiveMovement = (sprite, action, speed = null) => {};
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distance = distance;
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quickDistance = quickDistance;
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}
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export class ContinuousPhysics extends GridPhysics {
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gravity = 0.0;
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friction = 0.02;
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constructor() {
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super();
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}
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passiveMovement = (sprite, delta=1) => {};
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activeMovement = (sprite, action, speed = null, delta=1) => {};
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}
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export class NoFrictionPhysics extends ContinuousPhysics {
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friction = 0.0;
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}
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export class GravityPhysics extends ContinuousPhysics {
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gravity = 0.8;
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}
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