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- public void mul4f(Matrix4fBuffer leftM, Matrix4fBuffer rightM) {
- final FloatBuffer left = leftM.buffer;
- final FloatBuffer right = rightM.buffer;
- final FloatBuffer buffer = this.buffer;
- float lm00 = left.get(0);
- float rm00 = right.get(0);
- float lm10 = left.get(1);
- float rm01 = right.get(4);
- float lm20 = left.get(2);
- float rm02 = right.get(8);
- float lm30 = left.get(3);
- buffer.put(0, lm00 * rm00 + lm10 * rm01 + lm20 * rm02 + lm30 * right.get(12));
- float rm10 = right.get(1);
- float rm11 = right.get(5);
- float rm12 = right.get(9);
- buffer.put(1, lm00 * rm10 + lm10 * rm11 + lm20 * rm12 + lm30 * right.get(13));
- float rm20 = right.get(2);
- float rm21 = right.get(6);
- float rm22 = right.get(10);
- buffer.put(2, lm00 * rm20 + lm10 * rm21 + lm20 * rm22 + lm30 * right.get(14));
- float rm30 = right.get(3);
- float rm31 = right.get(7);
- float rm32 = right.get(11);
- buffer.put(3, lm00 * rm30 + lm10 * rm31 + lm20 * rm32 + lm30 * right.get(15));
- float lm01 = left.get(4);
- float lm11 = left.get(5);
- float lm21 = left.get(6);
- float lm31 = left.get(7);
- buffer.put(4, lm01 * rm00 + lm11 * rm01 + lm21 * rm02 + lm31 * right.get(12));
- buffer.put(5, lm01 * rm10 + lm11 * rm11 + lm21 * rm12 + lm31 * right.get(13));
- buffer.put(6, lm01 * rm20 + lm11 * rm21 + lm21 * rm22 + lm31 * right.get(14));
- buffer.put(7, lm01 * rm30 + lm11 * rm31 + lm21 * rm32 + lm31 * right.get(15));
- float lm02 = left.get(8);
- float lm12 = left.get(9);
- float lm22 = left.get(10);
- float lm32 = left.get(11);
- buffer.put(8, lm02 * rm00 + lm12 * rm01 + lm22 * rm02 + lm32 * right.get(12));
- buffer.put(9, lm02 * rm10 + lm12 * rm11 + lm22 * rm12 + lm32 * right.get(13));
- buffer.put(10, lm02 * rm20 + lm12 * rm21 + lm22 * rm22 + lm32 * right.get(14));
- buffer.put(11, lm02 * rm30 + lm12 * rm31 + lm22 * rm32 + lm32 * right.get(15));
- float lm03 = left.get(12);
- float lm13 = left.get(13);
- float lm23 = left.get(14);
- float lm33 = left.get(15);
- buffer.put(12, lm03 * rm00 + lm13 * rm01 + lm23 * rm02 + lm33 * right.get(12));
- buffer.put(13, lm03 * rm10 + lm13 * rm11 + lm23 * rm12 + lm33 * right.get(13));
- buffer.put(14, lm03 * rm20 + lm13 * rm21 + lm23 * rm22 + lm33 * right.get(14));
- buffer.put(15, lm03 * rm30 + lm13 * rm31 + lm23 * rm32 + lm33 * right.get(15));
- }
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