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- public void mul4f(Matrix4fArray leftM, Matrix4fArray rightM) {
- final float[] left = leftM.buffer;
- final float[] right = rightM.buffer;
- final float[] buffer = this.buffer;
- float lm00 = left[0];
- float rm00 = right[0];
- float lm10 = left[1];
- float rm01 = right[4];
- float lm20 = left[2];
- float rm02 = right[8];
- float lm30 = left[3];
- buffer[0] = lm00 * rm00 + lm10 * rm01 + lm20 * rm02 + lm30 * right[12];
- float rm10 = right[1];
- float rm11 = right[5];
- float rm12 = right[9];
- buffer[1] = lm00 * rm10 + lm10 * rm11 + lm20 * rm12 + lm30 * right[13];
- float rm20 = right[2];
- float rm21 = right[6];
- float rm22 = right[10];
- buffer[2] = lm00 * rm20 + lm10 * rm21 + lm20 * rm22 + lm30 * right[14];
- float rm30 = right[3];
- float rm31 = right[7];
- float rm32 = right[11];
- buffer[3] = lm00 * rm30 + lm10 * rm31 + lm20 * rm32 + lm30 * right[15];
- float lm01 = left[4];
- float lm11 = left[5];
- float lm21 = left[6];
- float lm31 = left[7];
- buffer[4] = lm01 * rm00 + lm11 * rm01 + lm21 * rm02 + lm31 * right[12];
- buffer[5] = lm01 * rm10 + lm11 * rm11 + lm21 * rm12 + lm31 * right[13];
- buffer[6] = lm01 * rm20 + lm11 * rm21 + lm21 * rm22 + lm31 * right[14];
- buffer[7] = lm01 * rm30 + lm11 * rm31 + lm21 * rm32 + lm31 * right[15];
- float lm02 = left[8];
- float lm12 = left[9];
- float lm22 = left[10];
- float lm32 = left[11];
- buffer[8] = lm02 * rm00 + lm12 * rm01 + lm22 * rm02 + lm32 * right[12];
- buffer[9] = lm02 * rm10 + lm12 * rm11 + lm22 * rm12 + lm32 * right[13];
- buffer[10] = lm02 * rm20 + lm12 * rm21 + lm22 * rm22 + lm32 * right[14];
- buffer[11] = lm02 * rm30 + lm12 * rm31 + lm22 * rm32 + lm32 * right[15];
- float lm03 = left[12];
- float lm13 = left[13];
- float lm23 = left[14];
- float lm33 = left[15];
- buffer[12] = lm03 * rm00 + lm13 * rm01 + lm23 * rm02 + lm33 * right[12];
- buffer[13] = lm03 * rm10 + lm13 * rm11 + lm23 * rm12 + lm33 * right[13];
- buffer[14] = lm03 * rm20 + lm13 * rm21 + lm23 * rm22 + lm33 * right[14];
- buffer[15] = lm03 * rm30 + lm13 * rm31 + lm23 * rm32 + lm33 * right[15];
- }
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