diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/view/entity.ts | 5 | ||||
| -rw-r--r-- | src/view/util/image.ts | 14 |
2 files changed, 8 insertions, 11 deletions
diff --git a/src/view/entity.ts b/src/view/entity.ts index 7600826..83cd955 100644 --- a/src/view/entity.ts +++ b/src/view/entity.ts @@ -14,9 +14,10 @@ export async function loadEntity( const sprites: SpriteView[] = []; for (let frame = 0; frame < data.frames; frame++) { - const [texture, size, coords] = mkTexture(r, tile, frame, data.frames); + const [texture, coords] = mkTexture(r, tile, frame, data.frames); - const offset = vec2.mul(vec2.create(), data.anchor, size); + const offset = vec2.fromValues(coords[2] - coords[0], coords[3] - coords[1]); + vec2.mul(offset, offset, data.anchor); r.snapToGrid(offset, offset); const anchorCoords: SpriteCoords = [ diff --git a/src/view/util/image.ts b/src/view/util/image.ts index 7baeccc..4c5e386 100644 --- a/src/view/util/image.ts +++ b/src/view/util/image.ts @@ -16,18 +16,17 @@ export function mkTexture( src: HTMLCanvasElement|HTMLImageElement, frame: number = 0, total: number = 1, -): [WebGLTexture, [number, number], SpriteCoords] { +): [WebGLTexture, SpriteCoords] { const gl = r.getContext(); const texture = gl.createTexture(); if (!texture) throw new Error('unable to create texture'); const w = src.width, h = src.height / total; - const w2 = nextPowerOf2(w), h2 = nextPowerOf2(h); const canvas = document.createElement('canvas'); - canvas.width = w2; - canvas.height = h2; + canvas.width = w; + canvas.height = h; const ctx = canvas.getContext('2d') as CanvasRenderingContext2D; ctx.drawImage(src, 0, frame * h, w, h, 0, 0, w, h); @@ -39,12 +38,9 @@ export function mkTexture( gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - const size: [number, number] = [ - w / r.coordScale, h / r.coordScale, - ]; const coords: SpriteCoords = [ - 0, 0, w2 / r.coordScale, h2 / r.coordScale, + 0, 0, w / r.coordScale, h / r.coordScale, ]; - return [texture, size, coords]; + return [texture, coords]; } |