26 lines
541 B
JavaScript
26 lines
541 B
JavaScript
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var clone = require('../clone');
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var each = require('../each');
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var mat3 = require('./mat3');
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module.exports = function transform(m, ts) {
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m = clone(m);
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each(ts, function (t) {
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switch (t[0]) {
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case 't':
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mat3.translate(m, m, [t[1], t[2]]);
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break;
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case 's':
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mat3.scale(m, m, [t[1], t[2]]);
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break;
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case 'r':
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mat3.rotate(m, m, t[1]);
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break;
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case 'm':
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mat3.multiply(m, m, t[1]);
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break;
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default:
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return false;
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}
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});
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return m;
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};
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