SDL  2.0
testsprite2.c File Reference
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include "SDL_test.h"
#include "SDL_test_common.h"
+ Include dependency graph for testsprite2.c:

Go to the source code of this file.

Macros

#define NUM_SPRITES   100
 
#define MAX_SPEED   1
 

Functions

static void quit (int rc)
 
int LoadSprite (const char *file)
 
void MoveSprites (SDL_Renderer *renderer, SDL_Texture *sprite)
 
void loop ()
 
int main (int argc, char *argv[])
 

Variables

static SDLTest_CommonStatestate
 
static int num_sprites
 
static SDL_Texture ** sprites
 
static SDL_bool cycle_color
 
static SDL_bool cycle_alpha
 
static int cycle_direction = 1
 
static int current_alpha = 0
 
static int current_color = 0
 
static SDL_Rectpositions
 
static SDL_Rectvelocities
 
static int sprite_w
 
static int sprite_h
 
static SDL_BlendMode blendMode = SDL_BLENDMODE_BLEND
 
static int iterations = -1
 
int done
 

Macro Definition Documentation

◆ MAX_SPEED

#define MAX_SPEED   1

Definition at line 26 of file testsprite2.c.

Referenced by main().

◆ NUM_SPRITES

#define NUM_SPRITES   100

Definition at line 25 of file testsprite2.c.

Referenced by main().

Function Documentation

◆ LoadSprite()

int LoadSprite ( const char *  file)

Definition at line 59 of file testsprite2.c.

References SDL_PixelFormat::BitsPerPixel, blendMode, SDL_Surface::format, SDL_Surface::h, i, NULL, SDLTest_CommonState::num_windows, SDL_PixelFormat::palette, SDL_Surface::pixels, renderer, SDLTest_CommonState::renderers, SDL_CreateTextureFromSurface, SDL_DestroyTexture, SDL_FreeSurface, SDL_GetError, SDL_LoadBMP, SDL_LOG_CATEGORY_APPLICATION, SDL_LogError, SDL_SetColorKey, SDL_SetTextureBlendMode, sprite_h, sprite_w, and SDL_Surface::w.

Referenced by main().

60 {
61  int i;
62  SDL_Surface *temp;
63 
64  /* Load the sprite image */
65  temp = SDL_LoadBMP(file);
66  if (temp == NULL) {
67  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s", file, SDL_GetError());
68  return (-1);
69  }
70  sprite_w = temp->w;
71  sprite_h = temp->h;
72 
73  /* Set transparent pixel as the pixel at (0,0) */
74  if (temp->format->palette) {
75  SDL_SetColorKey(temp, 1, *(Uint8 *) temp->pixels);
76  } else {
77  switch (temp->format->BitsPerPixel) {
78  case 15:
79  SDL_SetColorKey(temp, 1, (*(Uint16 *) temp->pixels) & 0x00007FFF);
80  break;
81  case 16:
82  SDL_SetColorKey(temp, 1, *(Uint16 *) temp->pixels);
83  break;
84  case 24:
85  SDL_SetColorKey(temp, 1, (*(Uint32 *) temp->pixels) & 0x00FFFFFF);
86  break;
87  case 32:
88  SDL_SetColorKey(temp, 1, *(Uint32 *) temp->pixels);
89  break;
90  }
91  }
92 
93  /* Create textures from the image */
94  for (i = 0; i < state->num_windows; ++i) {
96  sprites[i] = SDL_CreateTextureFromSurface(renderer, temp);
97  if (!sprites[i]) {
98  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create texture: %s\n", SDL_GetError());
99  SDL_FreeSurface(temp);
100  return (-1);
101  }
103  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set blend mode: %s\n", SDL_GetError());
104  SDL_FreeSurface(temp);
106  return (-1);
107  }
108  }
109  SDL_FreeSurface(temp);
110 
111  /* We're ready to roll. :) */
112  return (0);
113 }
#define SDL_GetError
static SDL_Texture ** sprites
Definition: testsprite2.c:30
#define SDL_LoadBMP(file)
Definition: SDL_surface.h:200
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
#define SDL_SetTextureBlendMode
static int sprite_h
Definition: testsprite2.c:38
static SDLTest_CommonState * state
Definition: testsprite2.c:28
uint32_t Uint32
Definition: SDL_stdinc.h:181
#define SDL_LogError
#define SDL_CreateTextureFromSurface
void * pixels
Definition: SDL_surface.h:75
#define SDL_FreeSurface
static SDL_Renderer * renderer
uint8_t Uint8
Definition: SDL_stdinc.h:157
Uint8 BitsPerPixel
Definition: SDL_pixels.h:319
static int sprite_w
Definition: testsprite2.c:38
#define SDL_SetColorKey
SDL_Renderer ** renderers
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:164
SDL_PixelFormat * format
Definition: SDL_surface.h:72
#define SDL_DestroyTexture
uint16_t Uint16
Definition: SDL_stdinc.h:169
SDL_Palette * palette
Definition: SDL_pixels.h:318
static SDL_BlendMode blendMode
Definition: testsprite2.c:39

◆ loop()

void loop ( )

Definition at line 245 of file testsprite2.c.

References done, i, MoveSprites(), NULL, SDLTest_CommonState::num_windows, SDLTest_CommonState::renderers, SDL_PollEvent, SDLTest_CommonEvent(), and SDLTest_CommonState::windows.

Referenced by main().

246 {
247  int i;
249 
250  /* Check for events */
251  while (SDL_PollEvent(&event)) {
252  SDLTest_CommonEvent(state, &event, &done);
253  }
254  for (i = 0; i < state->num_windows; ++i) {
255  if (state->windows[i] == NULL)
256  continue;
258  }
259 #ifdef __EMSCRIPTEN__
260  if (done) {
261  emscripten_cancel_main_loop();
262  }
263 #endif
264 }
#define SDL_PollEvent
static SDL_Texture ** sprites
Definition: testsprite2.c:30
static SDLTest_CommonState * state
Definition: testsprite2.c:28
int done
Definition: testsprite2.c:45
SDL_Window ** windows
void SDLTest_CommonEvent(SDLTest_CommonState *state, SDL_Event *event, int *done)
Common event handler for test windows.
struct _cl_event * event
SDL_Renderer ** renderers
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:164
General event structure.
Definition: SDL_events.h:525
void MoveSprites(SDL_Renderer *renderer, SDL_Texture *sprite)
Definition: testsprite2.c:116

◆ main()

int main ( int  argc,
char *  argv[] 
)

Definition at line 267 of file testsprite2.c.

References blendMode, cycle_alpha, cycle_color, done, SDL_Rect::h, i, iterations, LoadSprite(), loop(), MAX_SPEED, NULL, NUM_SPRITES, num_sprites, SDLTest_CommonState::num_windows, quit(), renderer, SDLTest_CommonState::renderers, SDL_atoi, SDL_BLENDFACTOR_ONE, SDL_BLENDFACTOR_SRC_ALPHA, SDL_BLENDFACTOR_ZERO, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, SDL_BLENDMODE_NONE, SDL_BLENDOPERATION_SUBTRACT, SDL_ComposeCustomBlendMode, SDL_GetTicks(), SDL_INIT_VIDEO, SDL_isdigit, SDL_Log, SDL_LOG_CATEGORY_APPLICATION, SDL_LogError, SDL_malloc, SDL_RenderClear, SDL_SetRenderDrawColor, SDL_strcasecmp, SDL_TRUE, SDLTest_CommonArg(), SDLTest_CommonCreateState(), SDLTest_CommonInit(), SDLTest_CommonUsage(), SDLTest_FuzzerInit(), SDLTest_RandomIntegerInRange(), sprite_h, sprite_w, SDL_Rect::w, SDLTest_CommonState::window_h, SDLTest_CommonState::window_w, SDL_Rect::x, and SDL_Rect::y.

268 {
269  int i;
270  Uint32 then, now, frames;
271  Uint64 seed;
272  const char *icon = "icon.bmp";
273 
274  /* Initialize parameters */
276 
277  /* Initialize test framework */
279  if (!state) {
280  return 1;
281  }
282 
283  for (i = 1; i < argc;) {
284  int consumed;
285 
286  consumed = SDLTest_CommonArg(state, i);
287  if (consumed == 0) {
288  consumed = -1;
289  if (SDL_strcasecmp(argv[i], "--blend") == 0) {
290  if (argv[i + 1]) {
291  if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
293  consumed = 2;
294  } else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
296  consumed = 2;
297  } else if (SDL_strcasecmp(argv[i + 1], "add") == 0) {
299  consumed = 2;
300  } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
302  consumed = 2;
303  } else if (SDL_strcasecmp(argv[i + 1], "sub") == 0) {
305  consumed = 2;
306  }
307  }
308  } else if (SDL_strcasecmp(argv[i], "--iterations") == 0) {
309  if (argv[i + 1]) {
310  iterations = SDL_atoi(argv[i + 1]);
311  if (iterations < -1) iterations = -1;
312  consumed = 2;
313  }
314  } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
316  consumed = 1;
317  } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
319  consumed = 1;
320  } else if (SDL_isdigit(*argv[i])) {
321  num_sprites = SDL_atoi(argv[i]);
322  consumed = 1;
323  } else if (argv[i][0] != '-') {
324  icon = argv[i];
325  consumed = 1;
326  }
327  }
328  if (consumed < 0) {
329  SDL_Log("Usage: %s %s [--blend none|blend|add|mod] [--cyclecolor] [--cyclealpha] [--iterations N] [num_sprites] [icon.bmp]\n",
330  argv[0], SDLTest_CommonUsage(state));
331  quit(1);
332  }
333  i += consumed;
334  }
335  if (!SDLTest_CommonInit(state)) {
336  quit(2);
337  }
338 
339  /* Create the windows, initialize the renderers, and load the textures */
340  sprites =
341  (SDL_Texture **) SDL_malloc(state->num_windows * sizeof(*sprites));
342  if (!sprites) {
343  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!\n");
344  quit(2);
345  }
346  for (i = 0; i < state->num_windows; ++i) {
348  SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
349  SDL_RenderClear(renderer);
350  }
351  if (LoadSprite(icon) < 0) {
352  quit(2);
353  }
354 
355  /* Allocate memory for the sprite info */
358  if (!positions || !velocities) {
359  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!\n");
360  quit(2);
361  }
362 
363  /* Position sprites and set their velocities using the fuzzer */
364  if (iterations >= 0) {
365  /* Deterministic seed - used for visual tests */
366  seed = (Uint64)iterations;
367  } else {
368  /* Pseudo-random seed generated from the time */
369  seed = (Uint64)time(NULL);
370  }
371  SDLTest_FuzzerInit(seed);
372  for (i = 0; i < num_sprites; ++i) {
375  positions[i].w = sprite_w;
376  positions[i].h = sprite_h;
377  velocities[i].x = 0;
378  velocities[i].y = 0;
379  while (!velocities[i].x && !velocities[i].y) {
382  }
383  }
384 
385  /* Main render loop */
386  frames = 0;
387  then = SDL_GetTicks();
388  done = 0;
389 
390 #ifdef __EMSCRIPTEN__
391  emscripten_set_main_loop(loop, 0, 1);
392 #else
393  while (!done) {
394  ++frames;
395  loop();
396  }
397 #endif
398 
399  /* Print out some timing information */
400  now = SDL_GetTicks();
401  if (now > then) {
402  double fps = ((double) frames * 1000) / (now - then);
403  SDL_Log("%2.2f frames per second\n", fps);
404  }
405  quit(0);
406  return 0;
407 }
static void quit(int rc)
Definition: testsprite2.c:49
static SDL_Texture ** sprites
Definition: testsprite2.c:30
EGLSurface EGLnsecsANDROID time
Definition: eglext.h:518
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
Sint32 SDLTest_RandomIntegerInRange(Sint32 min, Sint32 max)
static SDL_Rect * velocities
Definition: testsprite2.c:37
SDLTest_CommonState * SDLTest_CommonCreateState(char **argv, Uint32 flags)
Parse command line parameters and create common state.
#define NUM_SPRITES
Definition: testsprite2.c:25
int SDLTest_CommonArg(SDLTest_CommonState *state, int index)
Process one common argument.
static SDL_bool cycle_color
Definition: testsprite2.c:31
static int sprite_h
Definition: testsprite2.c:38
static int iterations
Definition: testsprite2.c:43
static SDLTest_CommonState * state
Definition: testsprite2.c:28
uint32_t Uint32
Definition: SDL_stdinc.h:181
int done
Definition: testsprite2.c:45
#define SDL_strcasecmp
SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
Open test window.
uint64_t Uint64
Definition: SDL_stdinc.h:194
static int num_sprites
Definition: testsprite2.c:29
#define MAX_SPEED
Definition: testsprite2.c:26
#define SDL_LogError
#define SDL_Log
int LoadSprite(const char *file)
Definition: testsprite2.c:59
#define SDL_isdigit
Uint32 SDL_GetTicks(void)
Get the number of milliseconds since the SDL library initialization.
static SDL_Renderer * renderer
static int sprite_w
Definition: testsprite2.c:38
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
int x
Definition: SDL_rect.h:66
const char * SDLTest_CommonUsage(SDLTest_CommonState *state)
Returns common usage information.
int w
Definition: SDL_rect.h:67
#define SDL_atoi
static SDL_bool cycle_alpha
Definition: testsprite2.c:32
SDL_Renderer ** renderers
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:164
#define SDL_ComposeCustomBlendMode
#define SDL_RenderClear
int h
Definition: SDL_rect.h:67
static SDL_Rect * positions
Definition: testsprite2.c:36
#define SDL_malloc
#define SDL_SetRenderDrawColor
void SDLTest_FuzzerInit(Uint64 execKey)
static SDL_BlendMode blendMode
Definition: testsprite2.c:39
void loop()
Definition: testsprite2.c:245
int y
Definition: SDL_rect.h:66
#define SDL_INIT_VIDEO
Definition: SDL.h:78
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64

◆ MoveSprites()

void MoveSprites ( SDL_Renderer renderer,
SDL_Texture sprite 
)

Definition at line 116 of file testsprite2.c.

References current_alpha, current_color, cycle_alpha, cycle_color, cycle_direction, SDL_Rect::h, i, iterations, NULL, num_sprites, SDL_FALSE, SDL_RenderClear, SDL_RenderCopy, SDL_RenderDrawLine, SDL_RenderDrawPoint, SDL_RenderFillRect, SDL_RenderGetViewport, SDL_RenderPresent, SDL_SetRenderDrawColor, SDL_SetTextureAlphaMod, SDL_SetTextureColorMod, sprite_h, sprite_w, viewport, SDL_Rect::w, SDL_Rect::x, and SDL_Rect::y.

Referenced by loop().

117 {
118  int i;
119  SDL_Rect viewport, temp;
120  SDL_Rect *position, *velocity;
121 
122  /* Query the sizes */
123  SDL_RenderGetViewport(renderer, &viewport);
124 
125  /* Cycle the color and alpha, if desired */
126  if (cycle_color) {
128  if (current_color < 0) {
129  current_color = 0;
131  }
132  if (current_color > 255) {
133  current_color = 255;
135  }
137  (Uint8) current_color);
138  }
139  if (cycle_alpha) {
141  if (current_alpha < 0) {
142  current_alpha = 0;
144  }
145  if (current_alpha > 255) {
146  current_alpha = 255;
148  }
150  }
151 
152  /* Draw a gray background */
153  SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
154  SDL_RenderClear(renderer);
155 
156  /* Test points */
157  SDL_SetRenderDrawColor(renderer, 0xFF, 0x00, 0x00, 0xFF);
158  SDL_RenderDrawPoint(renderer, 0, 0);
159  SDL_RenderDrawPoint(renderer, viewport.w-1, 0);
160  SDL_RenderDrawPoint(renderer, 0, viewport.h-1);
161  SDL_RenderDrawPoint(renderer, viewport.w-1, viewport.h-1);
162 
163  /* Test horizontal and vertical lines */
164  SDL_SetRenderDrawColor(renderer, 0x00, 0xFF, 0x00, 0xFF);
165  SDL_RenderDrawLine(renderer, 1, 0, viewport.w-2, 0);
166  SDL_RenderDrawLine(renderer, 1, viewport.h-1, viewport.w-2, viewport.h-1);
167  SDL_RenderDrawLine(renderer, 0, 1, 0, viewport.h-2);
168  SDL_RenderDrawLine(renderer, viewport.w-1, 1, viewport.w-1, viewport.h-2);
169 
170  /* Test fill and copy */
171  SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
172  temp.x = 1;
173  temp.y = 1;
174  temp.w = sprite_w;
175  temp.h = sprite_h;
176  SDL_RenderFillRect(renderer, &temp);
177  SDL_RenderCopy(renderer, sprite, NULL, &temp);
178  temp.x = viewport.w-sprite_w-1;
179  temp.y = 1;
180  temp.w = sprite_w;
181  temp.h = sprite_h;
182  SDL_RenderFillRect(renderer, &temp);
183  SDL_RenderCopy(renderer, sprite, NULL, &temp);
184  temp.x = 1;
185  temp.y = viewport.h-sprite_h-1;
186  temp.w = sprite_w;
187  temp.h = sprite_h;
188  SDL_RenderFillRect(renderer, &temp);
189  SDL_RenderCopy(renderer, sprite, NULL, &temp);
190  temp.x = viewport.w-sprite_w-1;
191  temp.y = viewport.h-sprite_h-1;
192  temp.w = sprite_w;
193  temp.h = sprite_h;
194  SDL_RenderFillRect(renderer, &temp);
195  SDL_RenderCopy(renderer, sprite, NULL, &temp);
196 
197  /* Test diagonal lines */
198  SDL_SetRenderDrawColor(renderer, 0x00, 0xFF, 0x00, 0xFF);
200  viewport.w-sprite_w-2, viewport.h-sprite_h-2);
201  SDL_RenderDrawLine(renderer, viewport.w-sprite_w-2, sprite_h,
202  sprite_w, viewport.h-sprite_h-2);
203 
204  /* Conditionally move the sprites, bounce at the wall */
205  if (iterations == -1 || iterations > 0) {
206  for (i = 0; i < num_sprites; ++i) {
207  position = &positions[i];
208  velocity = &velocities[i];
209  position->x += velocity->x;
210  if ((position->x < 0) || (position->x >= (viewport.w - sprite_w))) {
211  velocity->x = -velocity->x;
212  position->x += velocity->x;
213  }
214  position->y += velocity->y;
215  if ((position->y < 0) || (position->y >= (viewport.h - sprite_h))) {
216  velocity->y = -velocity->y;
217  position->y += velocity->y;
218  }
219 
220  }
221 
222  /* Countdown sprite-move iterations and disable color changes at iteration end - used for visual tests. */
223  if (iterations > 0) {
224  iterations--;
225  if (iterations == 0) {
228  }
229  }
230  }
231 
232  /* Draw sprites */
233  for (i = 0; i < num_sprites; ++i) {
234  position = &positions[i];
235 
236  /* Blit the sprite onto the screen */
237  SDL_RenderCopy(renderer, sprite, NULL, position);
238  }
239 
240  /* Update the screen! */
241  SDL_RenderPresent(renderer);
242 }
#define SDL_RenderDrawPoint
static SDL_Rect * velocities
Definition: testsprite2.c:37
#define SDL_RenderFillRect
static SDL_bool cycle_color
Definition: testsprite2.c:31
static int sprite_h
Definition: testsprite2.c:38
static int iterations
Definition: testsprite2.c:43
static int num_sprites
Definition: testsprite2.c:29
#define SDL_RenderCopy
uint8_t Uint8
Definition: SDL_stdinc.h:157
static int current_alpha
Definition: testsprite2.c:34
static int sprite_w
Definition: testsprite2.c:38
#define SDL_RenderGetViewport
#define SDL_SetTextureColorMod
int x
Definition: SDL_rect.h:66
int w
Definition: SDL_rect.h:67
static SDL_bool cycle_alpha
Definition: testsprite2.c:32
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:164
#define SDL_RenderClear
int h
Definition: SDL_rect.h:67
SDL_Rect viewport
Definition: testviewport.c:28
static SDL_Rect * positions
Definition: testsprite2.c:36
#define SDL_SetRenderDrawColor
static int cycle_direction
Definition: testsprite2.c:33
static int current_color
Definition: testsprite2.c:35
#define SDL_RenderDrawLine
int y
Definition: SDL_rect.h:66
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
#define SDL_RenderPresent
#define SDL_SetTextureAlphaMod

◆ quit()

static void quit ( int  rc)
static

Definition at line 49 of file testsprite2.c.

References SDL_free, and SDLTest_CommonQuit().

Referenced by main().

50 {
55  exit(rc);
56 }
static SDL_Texture ** sprites
Definition: testsprite2.c:30
static SDL_Rect * velocities
Definition: testsprite2.c:37
static SDLTest_CommonState * state
Definition: testsprite2.c:28
#define SDL_free
static SDL_Rect * positions
Definition: testsprite2.c:36
void SDLTest_CommonQuit(SDLTest_CommonState *state)
Close test window.

Variable Documentation

◆ blendMode

SDL_BlendMode blendMode = SDL_BLENDMODE_BLEND
static

Definition at line 39 of file testsprite2.c.

Referenced by LoadSprite(), and main().

◆ current_alpha

int current_alpha = 0
static

Definition at line 34 of file testsprite2.c.

Referenced by MoveSprites().

◆ current_color

int current_color = 0
static

Definition at line 35 of file testsprite2.c.

Referenced by MoveSprites().

◆ cycle_alpha

SDL_bool cycle_alpha
static

Definition at line 32 of file testsprite2.c.

Referenced by main(), and MoveSprites().

◆ cycle_color

SDL_bool cycle_color
static

Definition at line 31 of file testsprite2.c.

Referenced by main(), and MoveSprites().

◆ cycle_direction

int cycle_direction = 1
static

Definition at line 33 of file testsprite2.c.

Referenced by MoveSprites().

◆ done

int done

Definition at line 45 of file testsprite2.c.

Referenced by loop(), and main().

◆ iterations

int iterations = -1
static

Definition at line 43 of file testsprite2.c.

Referenced by main(), and MoveSprites().

◆ num_sprites

int num_sprites
static

Definition at line 29 of file testsprite2.c.

Referenced by main(), and MoveSprites().

◆ positions

SDL_Rect* positions
static

Definition at line 36 of file testsprite2.c.

◆ sprite_h

int sprite_h
static

Definition at line 38 of file testsprite2.c.

Referenced by LoadSprite(), main(), and MoveSprites().

◆ sprite_w

int sprite_w
static

Definition at line 38 of file testsprite2.c.

Referenced by LoadSprite(), main(), and MoveSprites().

◆ sprites

SDL_Texture** sprites
static

Definition at line 30 of file testsprite2.c.

◆ state

SDLTest_CommonState* state
static

Definition at line 28 of file testsprite2.c.

◆ velocities

SDL_Rect* velocities
static

Definition at line 37 of file testsprite2.c.