blob: 741919e231ee4143d1a66faf1f91fe591ac22f77 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
#ifndef HEADER_H
# define HEADER_H
# include <stdbool.h>
# include <complex.h>
# include <SDL2/SDL.h>
# define CENTER_X 0.0
# define CENTER_Y 0.0
# define REAL_RANGE 4.0
# define IMAG_RANGE 4.0
# define MAX_ITERATION 35
# define ESCAPE_RADIUS 2
# define ESCAPE_RADIUS_SQUARED (ESCAPE_RADIUS * ESCAPE_RADIUS)
typedef unsigned char Byte;
typedef int ColorHexcode;
typedef union
{
ColorHexcode hexcode;
struct
{
Byte b;
Byte g;
Byte r;
} rgb;
} Color;
typedef struct
{
double x;
double y;
} Point;
typedef struct
{
SDL_Window *window;
SDL_Renderer *renderer;
bool running;
int window_w;
int window_h;
Point center;
double real_range;
double imag_range;
Color *palette;
Color in_set_color;
bool moving;
} GState;
// mandelbrot.c
int mandelbrot_in_set(double a, double b);
void mandelbrot_print(void);
int *mandelbrot_array(Point center, double real_range, double imag_range,
double real_len, double imag_len);
// graphics.c
GState *graphics_init(void);
void graphics_quit(GState *state);
void graphics_run(GState *state);
Color *create_palette(Color start, Color end);
// helper.c
double map_range(double x, double src_lo, double src_hi, double dest_lo, double dest_hi);
#endif
|
