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Diffstat (limited to 'source/modules/asura-utils/math/matrix44.cpp')
-rw-r--r-- | source/modules/asura-utils/math/matrix44.cpp | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/source/modules/asura-utils/math/matrix44.cpp b/source/modules/asura-utils/math/matrix44.cpp deleted file mode 100644 index 9ecf448..0000000 --- a/source/modules/asura-utils/math/matrix44.cpp +++ /dev/null @@ -1,217 +0,0 @@ -#include "Matrix44.h" - -#include <cstring> // memcpy -#include <cmath> - -namespace AsuraEngine -{ - namespace Math - { - - const Matrix44 Matrix44::Identity; - - // | e0 e4 e8 e12 | - // | e1 e5 e9 e13 | - // | e2 e6 e10 e14 | - // | e3 e7 e11 e15 | - - Matrix44::Matrix44() - { - SetIdentity(); - } - - Matrix44::Matrix44(const Matrix44& m) - { - memcpy(&e, &m.e, 16 * sizeof(float)); - } - - Matrix44::~Matrix44() - { - } - - void Matrix44::operator = (const Matrix44& m) - { - memcpy(&e, &m.e, 16 * sizeof(float)); - } - - void Matrix44::SetOrtho(float l, float r, float b, float t, float n, float f) - { - SetIdentity(); - float w = r - l; - float h = t - b; - float z = f - n; - e[0] = 2 / w; - e[5] = 2 / h; - e[10] = -2 / z; - e[12] = -(r + l) / w; - e[13] = -(t + b) / h; - e[14] = -(f + n) / z; - e[15] = 1; - } - - // | e0 e4 e8 e12 | - // | e1 e5 e9 e13 | - // | e2 e6 e10 e14 | - // | e3 e7 e11 e15 | - // | e0 e4 e8 e12 | - // | e1 e5 e9 e13 | - // | e2 e6 e10 e14 | - // | e3 e7 e11 e15 | - - Matrix44 Matrix44::operator * (const Matrix44 & m) const - { - Matrix44 t; - - t.e[0] = (e[0] * m.e[0]) + (e[4] * m.e[1]) + (e[8] * m.e[2]) + (e[12] * m.e[3]); - t.e[4] = (e[0] * m.e[4]) + (e[4] * m.e[5]) + (e[8] * m.e[6]) + (e[12] * m.e[7]); - t.e[8] = (e[0] * m.e[8]) + (e[4] * m.e[9]) + (e[8] * m.e[10]) + (e[12] * m.e[11]); - t.e[12] = (e[0] * m.e[12]) + (e[4] * m.e[13]) + (e[8] * m.e[14]) + (e[12] * m.e[15]); - - t.e[1] = (e[1] * m.e[0]) + (e[5] * m.e[1]) + (e[9] * m.e[2]) + (e[13] * m.e[3]); - t.e[5] = (e[1] * m.e[4]) + (e[5] * m.e[5]) + (e[9] * m.e[6]) + (e[13] * m.e[7]); - t.e[9] = (e[1] * m.e[8]) + (e[5] * m.e[9]) + (e[9] * m.e[10]) + (e[13] * m.e[11]); - t.e[13] = (e[1] * m.e[12]) + (e[5] * m.e[13]) + (e[9] * m.e[14]) + (e[13] * m.e[15]); - - t.e[2] = (e[2] * m.e[0]) + (e[6] * m.e[1]) + (e[10] * m.e[2]) + (e[14] * m.e[3]); - t.e[6] = (e[2] * m.e[4]) + (e[6] * m.e[5]) + (e[10] * m.e[6]) + (e[14] * m.e[7]); - t.e[10] = (e[2] * m.e[8]) + (e[6] * m.e[9]) + (e[10] * m.e[10]) + (e[14] * m.e[11]); - t.e[14] = (e[2] * m.e[12]) + (e[6] * m.e[13]) + (e[10] * m.e[14]) + (e[14] * m.e[15]); - - t.e[3] = (e[3] * m.e[0]) + (e[7] * m.e[1]) + (e[11] * m.e[2]) + (e[15] * m.e[3]); - t.e[7] = (e[3] * m.e[4]) + (e[7] * m.e[5]) + (e[11] * m.e[6]) + (e[15] * m.e[7]); - t.e[11] = (e[3] * m.e[8]) + (e[7] * m.e[9]) + (e[11] * m.e[10]) + (e[15] * m.e[11]); - t.e[15] = (e[3] * m.e[12]) + (e[7] * m.e[13]) + (e[11] * m.e[14]) + (e[15] * m.e[15]); - - return t; - } - - void Matrix44::operator *= (const Matrix44 & m) - { - Matrix44 t = (*this) * m; - memcpy((void*)this->e, (void*)t.e, sizeof(float) * 16); - } - - const float * Matrix44::GetElements() const - { - return e; - } - - void Matrix44::SetIdentity() - { - memset(e, 0, sizeof(float) * 16); - e[0] = e[5] = e[10] = e[15] = 1; - } - - void Matrix44::SetTranslation(float x, float y) - { - SetIdentity(); - e[12] = x; - e[13] = y; - } - - void Matrix44::SetRotation(float rad) - { - SetIdentity(); - float c = cos(rad), s = sin(rad); - e[0] = c; e[4] = -s; - e[1] = s; e[5] = c; - } - - void Matrix44::SetScale(float sx, float sy) - { - SetIdentity(); - e[0] = sx; - e[5] = sy; - } - - void Matrix44::SetShear(float kx, float ky) - { - SetIdentity(); - e[1] = ky; - e[4] = kx; - } - - void Matrix44::SetTransformation(float x, float y, float angle, float sx, float sy, float ox, float oy) - { - memset(e, 0, sizeof(float) * 16); // zero out matrix - float c = cos(angle), s = sin(angle); - // matrix multiplication carried out on paper: - // |1 x| |c -s | |sx | |1 -ox| - // | 1 y| |s c | | sy | | 1 -oy| - // | 1 | | 1 | | 1 | | 1 | - // | 1| | 1| | 1| | 1 | - // move rotate scale origin - e[10] = e[15] = 1.0f; - e[0] = c * sx; // = a - e[1] = s * sx; // = b - e[4] = -s * sy; // = c - e[5] = c * sy; // = d - e[12] = x - ox * e[0] - oy * e[4]; - e[13] = y - ox * e[1] - oy * e[5]; - } - - void Matrix44::Translate(float x, float y) - { - Matrix44 t; - t.SetTranslation(x, y); - this->operator *=(t); - } - - void Matrix44::Rotate(float rad) - { - Matrix44 t; - t.SetRotation(rad); - this->operator *=(t); - } - - void Matrix44::Scale(float sx, float sy) - { - Matrix44 t; - t.SetScale(sx, sy); - this->operator *=(t); - } - - void Matrix44::Shear(float kx, float ky) - { - Matrix44 t; - t.SetShear(kx, ky); - this->operator *=(t); - } - - void Matrix44::Transform(float x, float y, float angle, float sx, float sy, float ox, float oy) - { - Matrix44 t; - t.SetTransformation(x, y, angle, sx, sy, ox, oy); - this->operator *=(t); - } - - void Matrix44::Ortho(float left, float right, float bottom, float top, float near, float far) - { - Matrix44 t; - t.SetOrtho(left, right, bottom, top, near, far); - this->operator *=(t); - } - - // | x | - // | y | - // | 0 | - // | 1 | - // | e0 e4 e8 e12 | - // | e1 e5 e9 e13 | - // | e2 e6 e10 e14 | - // | e3 e7 e11 e15 | - - //void Matrix44::transform(Graphics::Vertex* dst, const Graphics::Vertex* src, int size) const - //{ - // for (int i = 0; i<size; ++i) - // { - // // Store in temp variables in case src = dst - // float x = (e[0] * src[i].xy.x()) + (e[4] * src[i].xy.y()) + (0) + (e[12]); - // float y = (e[1] * src[i].xy.x()) + (e[5] * src[i].xy.y()) + (0) + (e[13]); - - // dst[i].xy.Set(x, y); - // } - //} - - } // namespace Math -} // namespace JinEngine
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