31 lines
875 B
JavaScript
31 lines
875 B
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var Matrix2 = /** @class */ (function () {
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function Matrix2() {
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this.el = [1, 0, 0, 1];
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}
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Matrix2.prototype.set = function (n11, n12, n21, n22) {
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var te = this.el;
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te[0] = n11;
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te[1] = n21;
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te[2] = n12;
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te[3] = n22;
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return this;
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};
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Matrix2.prototype.applyVector = function (vec) {
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var x = vec.x, y = vec.y;
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var e = this.el;
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vec.x = e[0] * x + e[2] * y;
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vec.y = e[1] * x + e[3] * y;
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return this;
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};
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Matrix2.prototype.setRotate = function (theta) {
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var el = this.el;
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var c = Math.cos(theta), s = Math.sin(theta);
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this.set(c, -s, s, c);
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return this;
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};
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return Matrix2;
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}());
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exports.Matrix2 = Matrix2;
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//# sourceMappingURL=Matrix2.js.map
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