46 lines
1 KiB
C++
46 lines
1 KiB
C++
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#ifndef SPECTRE_MATH_MATH_H
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#define SPECTRE_MATH_MATH_H
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#include "Vector3.h"
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#include "Vector2.h"
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#include "Matrix4.h"
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namespace sp { namespace math
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{
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float rand(float min, float max);
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// Convert degrees to radians.
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float deg2rad(float deg);
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// ------------------------------
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// Logarithmic functions.
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// ------------------------------
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double log(double base, double value);
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double log2(double value);
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unsigned int nextPowerOfTwo(unsigned int value);
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// ------------------------------
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// Matrix Projection functions.
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// ------------------------------
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// Create a orthographic projection matrix.
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Matrix4f orthoProjection(float left, float right,
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float bottom, float top,
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float zNear = -1.0f, float zFar = 1.0f);
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// Create a 2D rotation matrix. (rotation around Z-axis)
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Matrix4f rotation(float theta);
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// Create a 2D translation matrix.
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Matrix4f translate(float x, float y);
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// Create a 2D scale matrix.
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Matrix4f scale(float x, float y);
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} } // namespace sp
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#endif /* SPECTRE_MATH_MATH_H */
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