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-rw-r--r--src/controller/gamecontext.ts42
1 files changed, 21 insertions, 21 deletions
diff --git a/src/controller/gamecontext.ts b/src/controller/gamecontext.ts
index f0a3346..38a08ed 100644
--- a/src/controller/gamecontext.ts
+++ b/src/controller/gamecontext.ts
@@ -94,34 +94,34 @@ export class GameContext {
return diff;
}
- private updateStep(): void {
- const dest = vec2.scaleAndAdd(vec2.create(), this.entityPos, this.entityMovement, this.speed);
- const dest2 = vec2.create();
+ private updateStepCollide(out: vec2, dest: vec2): boolean {
+ const move = new Movement(this.entityPos, dest);
- let rescan = true;
+ for (const c of this.collision) {
+ if (!c.collide(out, move, this.collisionRadius))
+ continue;
- while (rescan) {
- rescan = false;
+ if (vec2.squaredDistance(this.entityPos, out) >= vec2.squaredDistance(this.entityPos, dest))
+ continue;
- if (vec2.equals(dest, this.entityPos))
- return;
+ return true;
+ }
- const move = new Movement(this.entityPos, dest);
+ return false;
+ }
- for (const c of this.collision) {
- if (!c.collide(dest2, move, this.collisionRadius))
- continue;
+ private updateStep(): void {
+ const dest = vec2.scaleAndAdd(vec2.create(), this.entityPos, this.entityMovement, this.speed);
+ const newDest = vec2.create();
- if (!vec2.exactEquals(dest, dest2)) {
- // Ensure termination
- if (vec2.squaredDistance(this.entityPos, dest2) >= vec2.squaredDistance(this.entityPos, dest))
- continue;
+ while (true) {
+ if (vec2.equals(dest, this.entityPos))
+ return;
- vec2.copy(dest, dest2);
- rescan = true;
- break;
- }
- }
+ if (!this.updateStepCollide(newDest, dest))
+ break;
+
+ vec2.copy(dest, newDest);
}
vec2.copy(this.entityPos, dest);