| 1 | #include <vrmath/vrVector4f.h> |
|---|
| 2 | #include <vrmath/vrMatrix4x4f.h> |
|---|
| 3 | |
|---|
| 4 | void vrVector4f::mult( const vrMatrix4x4f& mat, const vrVector4f& vector) |
|---|
| 5 | { |
|---|
| 6 | const float* m = mat.get(); |
|---|
| 7 | x = vector.x*m[0]+vector.y*m[4]+vector.z*m[8]+vector.w*m[12]; |
|---|
| 8 | y = vector.x*m[1]+vector.y*m[5]+vector.z*m[9]+vector.w*m[13]; |
|---|
| 9 | z = vector.x*m[2]+vector.y*m[6]+vector.z*m[10]+vector.w*m[14]; |
|---|
| 10 | w = vector.x*m[3]+vector.y*m[7]+vector.z*m[11]+vector.w*m[15]; |
|---|
| 11 | } |
|---|
| 12 | |
|---|
| 13 | void vrVector4f::mult(const vrMatrix4x4f& mat) |
|---|
| 14 | { |
|---|
| 15 | vrVector4f vector(x, y, z, w); |
|---|
| 16 | const float* m = mat.get(); |
|---|
| 17 | |
|---|
| 18 | x = vector.x*m[0]+vector.y*m[4]+vector.z*m[8]+vector.w*m[12]; |
|---|
| 19 | y = vector.x*m[1]+vector.y*m[5]+vector.z*m[9]+vector.w*m[13]; |
|---|
| 20 | z = vector.x*m[2]+vector.y*m[6]+vector.z*m[10]+vector.w*m[14]; |
|---|
| 21 | w = vector.x*m[3]+vector.y*m[7]+vector.z*m[11]+vector.w*m[15]; |
|---|
| 22 | } |
|---|
| 23 | |
|---|
| 24 | void vrVector4f::transform(const vrVector4f& v, const vrMatrix4x4f& mat) |
|---|
| 25 | { |
|---|
| 26 | vrVector4f vector(x, y, z, w); |
|---|
| 27 | const float* m = mat.get(); |
|---|
| 28 | x = vector.x * m[0] + vector.y*m[4]+vector.z*m[8]+vector.w*m[12]; |
|---|
| 29 | y = vector.x * m[1] + vector.y*m[5]+vector.z*m[9]+vector.w*m[13]; |
|---|
| 30 | z = vector.x*m[2]+vector.y*m[6]+vector.z*m[10]+vector.w*m[14]; |
|---|
| 31 | w = vector.x*m[3]+vector.y*m[7]+vector.z*m[11]+vector.w*m[15]; |
|---|
| 32 | |
|---|
| 33 | } |
|---|
