aboutsummaryrefslogtreecommitdiff
path: root/src/libjin/math/matrix.h
diff options
context:
space:
mode:
authorchai <chaifix@163.com>2020-02-11 11:29:07 +0800
committerchai <chaifix@163.com>2020-02-11 11:29:07 +0800
commit160e1299ef3d95f8e8c48706d7f61dd3dc6c6b60 (patch)
treeabe5ae5242d9cc6caf6edf103e662c44e978fca0 /src/libjin/math/matrix.h
parente095043485d1d298571af6d9eca7f0db9009ea7a (diff)
*修改 tab大小HEADmaster
Diffstat (limited to 'src/libjin/math/matrix.h')
-rw-r--r--src/libjin/math/matrix.h304
1 files changed, 152 insertions, 152 deletions
diff --git a/src/libjin/math/matrix.h b/src/libjin/math/matrix.h
index 7955de1..c92a293 100644
--- a/src/libjin/math/matrix.h
+++ b/src/libjin/math/matrix.h
@@ -3,158 +3,158 @@
namespace JinEngine
{
-
- // Forward declarations.
- namespace Graphics
- {
- struct Vertex;
- }
-
- namespace Math
- {
-
- ///
- /// This class is the basis for all transformations in LOVE. Althought not
- /// really needed for 2D, it contains 4x4 elements to be compatible with
- /// OpenGL without conversions.
- /// ҪתõOpenGL
- /// https://blog.csdn.net/candycat1992/article/details/8830894
- ///
- class Matrix
- {
- private:
-
- ///
- /// | e0 e4 e8 e12 |
- /// | e1 e5 e9 e13 |
- /// | e2 e6 e10 e14 |
- /// | e3 e7 e11 e15 |
- ///
- float e[16];
-
- public:
-
- static const Matrix Identity;
-
- ///
- /// Creates a new identity matrix.
- ///
- Matrix();
-
- ///
- /// Destructor.
- ///
- ~Matrix();
-
- void setOrtho(float _left, float _right, float _bottom, float _top, float _near, float _far);
-
- ///
- /// Multiplies this Matrix with another Matrix, changing neither.
- /// @param m The Matrix to multiply with this Matrix.
- /// @return The combined matrix.
- ///
- Matrix operator * (const Matrix & m) const;
-
- ///
- /// Multiplies a Matrix into this Matrix.
- /// @param m The Matrix to combine into this Matrix.
- ///
- void operator *= (const Matrix & m);
-
- ///
- /// Gets a pointer to the 16 array elements.
- /// @return The array elements.
- ///
- const float* getElements() const;
-
- ///
- /// Resets this Matrix to the identity matrix.
- ///
- void setIdentity();
-
- ///
- /// Resets this Matrix to a translation.
- /// @param x Translation along x-axis.
- /// @param y Translation along y-axis.
- ///
- void setTranslation(float x, float y);
-
- ///
- /// Resets this Matrix to a rotation.
- /// @param r The angle in radians.
- ///
- void setRotation(float r);
-
- ///
- /// Resets this Matrix to a scale transformation.
- /// @param sx Scale factor along the x-axis.
- /// @param sy Scale factor along the y-axis.
- ///
- void setScale(float sx, float sy);
-
- ///
- /// Resets this Matrix to a shear transformation.
- /// @param kx Shear along x-axis.
- /// @param ky Shear along y-axis.
- ///
- void setShear(float kx, float ky);
-
- ///
- /// Creates a transformation with a certain position, orientation, scale
- /// and offset. Perfect for Drawables -- what a coincidence!
- ///
- /// @param x The translation along the x-axis.
- /// @param y The translation along the y-axis.
- /// @param angle The rotation (rad) around the center with offset (ox,oy).
- /// @param sx Scale along x-axis.
- /// @param sy Scale along y-axis.
- /// @param ox The offset for rotation along the x-axis.
- /// @param oy The offset for rotation along the y-axis.
- /// @param kx Shear along x-axis
- /// @param ky Shear along y-axis
- ///
- void setTransformation(float x, float y, float angle, float sx, float sy, float ox, float oy);
-
- ///
- /// Multiplies this Matrix with a translation.
- /// @param x Translation along x-axis.
- /// @param y Translation along y-axis.
- ///
- void translate(float x, float y);
-
- ///
- /// Multiplies this Matrix with a rotation.
- /// @param r Angle in radians.
- ///
- void rotate(float r);
-
- ///
- /// Multiplies this Matrix with a scale transformation.
- /// @param sx Scale factor along the x-axis.
- /// @param sy Scale factor along the y-axis.
- ///
- void scale(float sx, float sy);
-
- ///
- /// Multiplies this Matrix with a shear transformation.
- /// @param kx Shear along the x-axis.
- /// @param ky Shear along the y-axis.
- ///
- void shear(float kx, float ky);
-
- ///
- /// Transforms an array of vertices by this Matrix. The sources and
- /// destination arrays may be the same.
- ///
- /// @param dst Storage for the transformed vertices.
- /// @param src The source vertices.
- /// @param size The number of vertices.
- ///
- void transform(Graphics::Vertex* dst, const Graphics::Vertex * src, int size) const;
-
- };
-
- } // namespace Math
+
+ // Forward declarations.
+ namespace Graphics
+ {
+ struct Vertex;
+ }
+
+ namespace Math
+ {
+
+ ///
+ /// This class is the basis for all transformations in LOVE. Althought not
+ /// really needed for 2D, it contains 4x4 elements to be compatible with
+ /// OpenGL without conversions.
+ /// ҪתõOpenGL
+ /// https://blog.csdn.net/candycat1992/article/details/8830894
+ ///
+ class Matrix
+ {
+ private:
+
+ ///
+ /// | e0 e4 e8 e12 |
+ /// | e1 e5 e9 e13 |
+ /// | e2 e6 e10 e14 |
+ /// | e3 e7 e11 e15 |
+ ///
+ float e[16];
+
+ public:
+
+ static const Matrix Identity;
+
+ ///
+ /// Creates a new identity matrix.
+ ///
+ Matrix();
+
+ ///
+ /// Destructor.
+ ///
+ ~Matrix();
+
+ void setOrtho(float _left, float _right, float _bottom, float _top, float _near, float _far);
+
+ ///
+ /// Multiplies this Matrix with another Matrix, changing neither.
+ /// @param m The Matrix to multiply with this Matrix.
+ /// @return The combined matrix.
+ ///
+ Matrix operator * (const Matrix & m) const;
+
+ ///
+ /// Multiplies a Matrix into this Matrix.
+ /// @param m The Matrix to combine into this Matrix.
+ ///
+ void operator *= (const Matrix & m);
+
+ ///
+ /// Gets a pointer to the 16 array elements.
+ /// @return The array elements.
+ ///
+ const float* getElements() const;
+
+ ///
+ /// Resets this Matrix to the identity matrix.
+ ///
+ void setIdentity();
+
+ ///
+ /// Resets this Matrix to a translation.
+ /// @param x Translation along x-axis.
+ /// @param y Translation along y-axis.
+ ///
+ void setTranslation(float x, float y);
+
+ ///
+ /// Resets this Matrix to a rotation.
+ /// @param r The angle in radians.
+ ///
+ void setRotation(float r);
+
+ ///
+ /// Resets this Matrix to a scale transformation.
+ /// @param sx Scale factor along the x-axis.
+ /// @param sy Scale factor along the y-axis.
+ ///
+ void setScale(float sx, float sy);
+
+ ///
+ /// Resets this Matrix to a shear transformation.
+ /// @param kx Shear along x-axis.
+ /// @param ky Shear along y-axis.
+ ///
+ void setShear(float kx, float ky);
+
+ ///
+ /// Creates a transformation with a certain position, orientation, scale
+ /// and offset. Perfect for Drawables -- what a coincidence!
+ ///
+ /// @param x The translation along the x-axis.
+ /// @param y The translation along the y-axis.
+ /// @param angle The rotation (rad) around the center with offset (ox,oy).
+ /// @param sx Scale along x-axis.
+ /// @param sy Scale along y-axis.
+ /// @param ox The offset for rotation along the x-axis.
+ /// @param oy The offset for rotation along the y-axis.
+ /// @param kx Shear along x-axis
+ /// @param ky Shear along y-axis
+ ///
+ void setTransformation(float x, float y, float angle, float sx, float sy, float ox, float oy);
+
+ ///
+ /// Multiplies this Matrix with a translation.
+ /// @param x Translation along x-axis.
+ /// @param y Translation along y-axis.
+ ///
+ void translate(float x, float y);
+
+ ///
+ /// Multiplies this Matrix with a rotation.
+ /// @param r Angle in radians.
+ ///
+ void rotate(float r);
+
+ ///
+ /// Multiplies this Matrix with a scale transformation.
+ /// @param sx Scale factor along the x-axis.
+ /// @param sy Scale factor along the y-axis.
+ ///
+ void scale(float sx, float sy);
+
+ ///
+ /// Multiplies this Matrix with a shear transformation.
+ /// @param kx Shear along the x-axis.
+ /// @param ky Shear along the y-axis.
+ ///
+ void shear(float kx, float ky);
+
+ ///
+ /// Transforms an array of vertices by this Matrix. The sources and
+ /// destination arrays may be the same.
+ ///
+ /// @param dst Storage for the transformed vertices.
+ /// @param src The source vertices.
+ /// @param size The number of vertices.
+ ///
+ void transform(Graphics::Vertex* dst, const Graphics::Vertex * src, int size) const;
+
+ };
+
+ } // namespace Math
} // namespace JinEngine
#endif // __JE_MATRIX_H__