playcanvas
Version:
Open-source WebGL/WebGPU 3D engine for the web
26 lines (24 loc) • 624 B
JavaScript
var gsplatUncompressedVS = `
var<private> tAw: u32;
var<private> tBcached: vec4f;
fn unpackRotation(packed: vec3f) -> vec4f {
return vec4f(packed.xyz, sqrt(max(0.0, 1.0 - dot(packed, packed))));
}
fn getCenter() -> vec3f {
let tA: vec4<u32> = loadTransformA();
tAw = tA.w;
tBcached = loadTransformB();
return bitcast<vec3f>(tA.xyz);
}
fn getColor() -> vec4f {
return loadSplatColor();
}
fn getRotation() -> vec4f {
return unpackRotation(vec3f(unpack2x16float(tAw), tBcached.w)).wxyz;
}
fn getScale() -> vec3f {
return tBcached.xyz;
}
`;
export { gsplatUncompressedVS as default };