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Merge pull request #44 from tszirr/master 

fix: vector transforms
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gingerBill 2020-11-18 12:04:35 +00:00 committed by GitHub
parent 7b18a1e257 ba442e2a10
commit fe41e2b5cf
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1 changed files with 5 additions and 5 deletions
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10
gb_math.h
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@ -1356,8 +1356,8 @@ void gb_float22_mul(float (*out)[2], float (*mat1)[2], float (*mat2)[2]) {
} }
void gb_float22_mul_vec2(gbVec2 *out, float m[2][2], gbVec2 v) { void gb_float22_mul_vec2(gbVec2 *out, float m[2][2], gbVec2 v) {
out->x = m[0][0]*v.x + m[0][1]*v.y; out->x = m[0][0]*v.x + m[1][0]*v.y;
out->y = m[1][0]*v.x + m[1][1]*v.y; out->y = m[0][1]*v.x + m[1][1]*v.y;
} }
float gb_mat2_determinate(gbMat2 *m) { float gb_mat2_determinate(gbMat2 *m) {
@ -1427,9 +1427,9 @@ void gb_float33_mul(float (*out)[3], float (*mat1)[3], float (*mat2)[3]) {
} }
void gb_float33_mul_vec3(gbVec3 *out, float m[3][3], gbVec3 v) { void gb_float33_mul_vec3(gbVec3 *out, float m[3][3], gbVec3 v) {
out->x = m[0][0]*v.x + m[0][1]*v.y + m[0][2]*v.z; out->x = m[0][0]*v.x + m[1][0]*v.y + m[2][0]*v.z;
out->y = m[1][0]*v.x + m[1][1]*v.y + m[1][2]*v.z; out->y = m[0][1]*v.x + m[1][1]*v.y + m[2][1]*v.z;
out->z = m[2][0]*v.x + m[2][1]*v.y + m[2][2]*v.z; out->z = m[0][2]*v.x + m[1][2]*v.y + m[2][2]*v.z;
} }