luboslenco
104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
#pragma once
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#include <iron_global.h>
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#include <stdint.h>
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#define IRON_PI 3.141592654
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#define IRON_TAU 6.283185307
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float iron_cot(float x);
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float iron_round(float value);
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float iron_abs(float value);
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float iron_min(float a, float b);
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float iron_max(float a, float b);
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int iron_mini(int a, int b);
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int iron_maxi(int a, int b);
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float iron_clamp(float value, float minValue, float maxValue);
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typedef struct iron_vector2 {
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float x;
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float y;
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} iron_vector2_t;
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typedef struct iron_vector3 {
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float x;
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float y;
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float z;
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} iron_vector3_t;
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typedef struct iron_vector4 {
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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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} iron_vector4_t;
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typedef struct iron_quaternion {
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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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} iron_quaternion_t;
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typedef union iron_matrix3x3 {
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float m[3 * 3];
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struct {
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float m00;
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float m01;
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float m02;
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float m10;
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float m11;
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float m12;
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float m20;
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float m21;
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float m22;
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};
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} iron_matrix3x3_t;
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float iron_matrix3x3_get(iron_matrix3x3_t *matrix, int x, int y);
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void iron_matrix3x3_set(iron_matrix3x3_t *matrix, int x, int y, float value);
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void iron_matrix3x3_transpose(iron_matrix3x3_t *matrix);
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iron_matrix3x3_t iron_matrix3x3_identity(void);
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iron_matrix3x3_t iron_matrix3x3_rotation_x(float alpha);
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iron_matrix3x3_t iron_matrix3x3_rotation_y(float alpha);
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iron_matrix3x3_t iron_matrix3x3_rotation_z(float alpha);
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iron_matrix3x3_t iron_matrix3x3_translation(float x, float y);
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iron_matrix3x3_t iron_matrix3x3_multiply(iron_matrix3x3_t *a, iron_matrix3x3_t *b);
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iron_vector3_t iron_matrix3x3_multiply_vector(iron_matrix3x3_t *a, iron_vector3_t b);
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typedef union iron_matrix4x4 {
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float m[4 * 4];
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struct {
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float m00;
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float m01;
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float m02;
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float m03;
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float m10;
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float m11;
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float m12;
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float m13;
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float m20;
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float m21;
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float m22;
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float m23;
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float m30;
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float m31;
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float m32;
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float m33;
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};
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} iron_matrix4x4_t;
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float iron_matrix4x4_get(iron_matrix4x4_t *matrix, int x, int y);
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void iron_matrix4x4_set(iron_matrix4x4_t *matrix, int x, int y, float value);
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void iron_matrix4x4_transpose(iron_matrix4x4_t *matrix);
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iron_matrix4x4_t iron_matrix4x4_multiply(iron_matrix4x4_t *a, iron_matrix4x4_t *b);
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void iron_color_components(uint32_t color, float *red, float *green, float *blue, float *alpha);
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void iron_random_init(int64_t seed);
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int64_t iron_random_get(void);
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int64_t iron_random_get_max(int64_t max);
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int64_t iron_random_get_in(int64_t min, int64_t max);
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uint32_t iron_hash_djb2(unsigned char *str);
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