Changeset 370Tweet

Timestamp:

Nov 4, 2004, 7:16:57 PM (18 years ago)

Author:

Sam Hocevar

Message:

• examples/cacaplas.c: use Esc to quit, Space to pause.

File:

• libcaca/trunk/examples/cacaplas.c (modified) (4 diffs)

libcaca/trunk/examples/cacaplas.c

@@ -51 +51 @@
     double r[3], R[6];
     struct caca_bitmap *bitmap;
-    int i, x, y, frame;
+    int i, x, y, frame = 0, pause = 0;
 
     if(caca_init() < 0)
@@ -82 +82 @@
 
     /* Main loop */
-    for(frame = 0; !caca_get_event(CACA_EVENT_KEY_PRESS); frame++)
+    for(;;) 
     {
+        switch(caca_get_event(CACA_EVENT_KEY_PRESS))
+        {
+            case CACA_EVENT_KEY_PRESS | CACA_KEY_ESCAPE: goto end;
+            case CACA_EVENT_KEY_PRESS | ' ': pause = !pause;
+        }
+
         for(i = 0 ; i < 256; i++)
         {
@@ -96 +102 @@
         caca_set_bitmap_palette(bitmap, red, green, blue, alpha);
 
-        do_plasma(screen,
-                  (1.0 + sin(((double)frame) * R[0])) / 2,
-                  (1.0 + sin(((double)frame) * R[1])) / 2,
-                  (1.0 + sin(((double)frame) * R[2])) / 2,
-                  (1.0 + sin(((double)frame) * R[3])) / 2,
-                  (1.0 + sin(((double)frame) * R[4])) / 2,
-                  (1.0 + sin(((double)frame) * R[5])) / 2);
+        if(!pause)
+        {
+            do_plasma(screen,
+                      (1.0 + sin(((double)frame) * R[0])) / 2,
+                      (1.0 + sin(((double)frame) * R[1])) / 2,
+                      (1.0 + sin(((double)frame) * R[2])) / 2,
+                      (1.0 + sin(((double)frame) * R[3])) / 2,
+                      (1.0 + sin(((double)frame) * R[4])) / 2,
+                      (1.0 + sin(((double)frame) * R[5])) / 2);
+            frame++;
+        }
 
         caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1,
@@ -109 +119 @@
     }
 
+end:
     caca_free_bitmap(bitmap);
     caca_end();