make entity collision on the Y axis more reliable
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b02ac676e2
commit
9ae490bba3
2 changed files with 22 additions and 6 deletions
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@ -49,6 +49,16 @@ export default class Vec3 {
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}
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}
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sub(x:Vec3 | number, y?:number, z?:number) {
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if (x instanceof Vec3) {
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this.set(this.x - x.x, this.y - x.y, this.z - x.z);
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} else if (typeof(x) === "number" && typeof(y) === "number" && typeof(z) === "number") {
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this.set(this.x - x, this.y - y, this.z - z);
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} else {
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throw new Error(`Invalid arguments for Vec3.add : ${typeof(x)}, ${typeof(y)}, ${typeof(z)}`);
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}
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}
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mult(x:Vec3 | number, y?:number, z?:number) {
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if (x instanceof Vec3) {
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this.set(this.x * x.x, this.y * x.y, this.z * x.z);
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@ -32,7 +32,7 @@ export class Entity implements IEntity {
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public lastAbsPosition:Vec3;
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public motion:Vec3;
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private positionBeforeMove:Vec3;
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private moveEntityBlockPosRel:Vec3;
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public rotation:Rotation;
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public lastRotation:Rotation;
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@ -80,7 +80,7 @@ export class Entity implements IEntity {
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this.lastAbsPosition = new Vec3();
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this.motion = new Vec3();
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this.positionBeforeMove = new Vec3();
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this.moveEntityBlockPosRel = new Vec3();
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this.rotation = new Rotation();
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this.lastRotation = new Rotation();
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@ -250,21 +250,27 @@ export class Entity implements IEntity {
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}
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moveEntity(motionX:number, motionY:number, motionZ:number) {
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this.positionBeforeMove.set(this.position);
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this.position.add(motionX, motionY, motionZ);
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this.entityAABB.move(this.position);
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const blockId = this.chunk.getBlockId(Math.floor(this.position.x) & 0xf, Math.floor(this.position.y), Math.floor(this.position.z) & 0xf);
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const blockUnderEntity = blockId > 0 ? Block.blocks[blockId] : null;
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if (blockUnderEntity !== null) {
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this.moveEntityBlockPosRel.set(this.position);
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this.moveEntityBlockPosRel.sub(Math.floor(this.position.x), Math.floor(this.position.y), Math.floor(this.position.z));
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console.log(this.moveEntityBlockPosRel);
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const blockBoundingBox = blockUnderEntity.getBoundingBox(Math.floor(this.position.x), Math.floor(this.position.y), Math.floor(this.position.z));
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// TODO: Handle X and Z collisions.
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if (this.entityAABB.intersects(blockBoundingBox)) {
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const intersectionY = this.entityAABB.intersectionY(blockBoundingBox);
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this.position.add(0, intersectionY, 0);
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if (this.moveEntityBlockPosRel.y > 0.5) {
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this.position.add(0, intersectionY, 0);
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} else {
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this.position.sub(0, intersectionY, 0);
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}
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this.motion.y = 0;
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this.onGround = true;
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}
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