mdx-m3-viewer
Version:
A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.
87 lines • 2.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const gl_matrix_1 = require("gl-matrix");
const math_1 = require("../../../common/math");
const vectorHeap = gl_matrix_1.vec3.create();
const quatHeap = gl_matrix_1.quat.create();
/**
* Sequence data.
*/
class M3Sd {
constructor(sd) {
this.keys = sd.keys.get();
this.values = sd.values.get(); // Fake typecasting to avoid a TS error.
this.biggestKey = sd.biggestKey;
}
}
/**
* A sequence data container.
*/
class M3SdContainer {
constructor() {
this.sd = [];
}
addSds(sds) {
for (const sd of sds) {
this.sd.push(new M3Sd(sd));
}
}
getValueUnsafe(index, animationReference, frame, runsConcurrent) {
const sd = this.sd[index];
if (runsConcurrent) {
frame = frame % sd.biggestKey;
}
const keys = sd.keys;
const values = sd.values;
// getInterval
let a = keys.length;
let b = 0;
while (b !== keys.length && frame > keys[b]) {
a = b;
b++;
}
const length = keys.length;
if (a === length) {
if (b === length) {
return animationReference.initValue;
}
else {
return values[b];
}
}
if (b === length || a >= b) {
return values[a];
}
const t = (0, math_1.clamp)((frame - keys[a]) / (keys[b] - keys[a]), 0, 1);
const va = values[a];
const vb = values[b];
const interpolationType = animationReference.interpolationType;
const fakeVa = va; /// UGLY!!!
if (fakeVa.length === 4) {
if (interpolationType === 0) {
return gl_matrix_1.quat.copy(quatHeap, va);
}
else {
return gl_matrix_1.quat.slerp(quatHeap, va, vb, t);
}
}
else if (fakeVa.length === 3) {
if (interpolationType === 0) {
return gl_matrix_1.vec3.copy(vectorHeap, va);
}
else {
return gl_matrix_1.vec3.lerp(vectorHeap, va, vb, t);
}
}
else {
if (interpolationType === 0) {
return va;
}
else {
return (0, math_1.lerp)(va, vb, t);
}
}
}
}
exports.default = M3SdContainer;
//# sourceMappingURL=sd.js.map