/* |
File: vectorUtil.h |
Abstract: |
Functions for performing vector math. |
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Version: 1.7 |
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*/ |
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#ifndef __VECTOR_UTIL_H__ |
#define __VECTOR_UTIL_H__ |
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// A Vector is floating point array with either 3 or 4 components |
// functions with the vec4 prefix require 4 elements in the array |
// functions with vec3 prefix require only 3 elements in the array |
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// Subtracts one 4D vector to another |
void vec4Add(float* vec, const float* lhs, const float* rhs); |
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// Subtracts one 4D vector from another |
void vec4Subtract(float* vec, const float* lhs, const float* rhs); |
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// Multiplys one 4D vector by another |
void vec4Multiply(float* vec, const float* lhs, const float* rhs); |
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// Divides one 4D vector by another |
void vec4Divide(float* vec, const float* lhs, const float* rhs); |
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// Subtracts one 4D vector to another |
void vec3Add(float* vec, const float* lhs, const float* rhs); |
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// Subtracts one 4D vector from another |
void vec3Subtract(float* vec, const float* lhs, const float* rhs); |
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// Multiplys one 4D vector by another |
void vec3Multiply(float* vec, const float* lhs, const float* rhs); |
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// Divides one 4D vector by another |
void vec3Divide(float* vec, const float* lhs, const float* rhs); |
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// Calculates the Cross Product of a 3D vector |
void vec3CrossProduct(float* vec, const float* lhs, const float* rhs); |
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// Normalizes a 3D vector |
void vec3Normalize(float* vec, const float* src); |
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// Returns the Dot Product of 2 3D vectors |
float vec3DotProduct(const float* lhs, const float* rhs); |
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// Returns the Dot Product of 2 4D vectors |
float vec4DotProduct(const float* lhs, const float* rhs); |
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// Returns the length of a 3D vector |
// (i.e the distance of a point from the origin) |
float vec3Length(const float* vec); |
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// Returns the distance between two 3D points |
float vec3Distance(const float* pointA, const float* pointB); |
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#endif //__VECTOR_UTIL_H__ |
