57 lines
792 B
C
57 lines
792 B
C
#ifndef UTILS_H
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#define UTILS_H
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#include <stdbool.h>
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#include <stdlib.h>
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/**
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* GLSL-like three dimensional vector
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*/
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typedef struct vec3f
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{
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float x;
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float y;
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float z;
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} vec3f;
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typedef struct vec3i
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{
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int x;
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int y;
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int z;
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} vec3i;
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typedef struct vec4f
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{
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float x;
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float y;
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float z;
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float w;
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} vec4f;
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/**
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* Color with RGB components
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*/
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typedef struct Color
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{
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float red;
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float green;
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float blue;
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} Color;
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/**
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* Calculates radian from degree.
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*/
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double degree_to_radian(double degree);
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bool is_oob(int i, int min, int max);
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void mult_matrix(float *matrix, vec4f vector, vec4f *ret);
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bool matrix_inverse(const float m[16], float invOut[16]);
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void vec3f_normalize(vec3f *v);
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int irand_range(int min, int max);
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#endif /* UTILS_H */
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