playcanvas

Version:

PlayCanvas WebGL game engine

12 lines (10 loc) • 563 B

JavaScript

var startNineSlicedTiledPS = `
	let tileMask: vec2f = step(vMask, vec2f(0.99999));
	let tileSize: vec2f = 0.5 * (innerOffset.xy + innerOffset.zw);
	let tileScale: vec2f = vec2f(1.0) / (vec2f(1.0) - tileSize);
	var clampedUv: vec2f = mix(innerOffset.xy * 0.5, vec2f(1.0) - innerOffset.zw * 0.5, fract((vTiledUv - tileSize) * tileScale));
	clampedUv = clampedUv * atlasRect.zw + atlasRect.xy;
	var nineSlicedUv: vec2f = vUv0 * tileMask + clampedUv * (vec2f(1.0) - tileMask);
	nineSlicedUv.y = 1.0 - nineSlicedUv.y;
`;

export { startNineSlicedTiledPS as default };