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[ts][pixi] Use pixi coordinate transformation functions

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This commit is contained in:
Davide Tantillo 2024-05-29 15:27:37 +02:00
parent 96797adeb5
commit 8e20a5e02b
1 changed files with 2 additions and 22 deletions
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24
spine-ts/spine-pixi/src/Spine.ts
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@ -400,32 +400,12 @@ export class Spine extends Container {
/** Converts a point from the skeleton coordinate system to the Pixi world coordinate system. */ /** Converts a point from the skeleton coordinate system to the Pixi world coordinate system. */
skeletonToPixiWorldCoordinates (point: { x: number; y: number }) { skeletonToPixiWorldCoordinates (point: { x: number; y: number }) {
let transform = this.worldTransform; this.worldTransform.apply(point, point);
let a = transform.a,
b = transform.b,
c = transform.c,
d = transform.d,
tx = transform.tx,
ty = transform.ty;
let x = point.x;
let y = point.y;
point.x = x * a + y * c + tx;
point.y = x * b + y * d + ty;
} }
/** Converts a point from the Pixi world coordinate system to the skeleton coordinate system. */ /** Converts a point from the Pixi world coordinate system to the skeleton coordinate system. */
pixiWorldCoordinatesToSkeleton (point: { x: number; y: number }) { pixiWorldCoordinatesToSkeleton (point: { x: number; y: number }) {
let transform = this.worldTransform.clone().invert(); this.worldTransform.applyInverse(point, point);
let a = transform.a,
b = transform.b,
c = transform.c,
d = transform.d,
tx = transform.tx,
ty = transform.ty;
let x = point.x;
let y = point.y;
point.x = x * a + y * c + tx;
point.y = x * b + y * d + ty;
} }
/** Converts a point from the Pixi world coordinate system to the bone's local coordinate system. */ /** Converts a point from the Pixi world coordinate system to the bone's local coordinate system. */