Advanced keyboard

Author: mahirlabibdihan

examples/10_KeyboardDemoAdvanced.cpp

@@ -0,0 +1,121 @@
+#include "iGraphics.h"
+
+#define min(a, b) a > b ? b : a
+#define max(a, b) a < b ? b : a
+
+int ball_1_x = 200, ball_1_y = 200;
+int ball_2_x = 300, ball_2_y = 300;
+
+int ball_radius = 20;
+int dir_1_x = 0, dir_1_y = 0;
+int dir_2_x = 0, dir_2_y = 0;
+
+void iDraw()
+{
+    // Clear the screen
+    iClear();
+
+    // Set drawing color Red
+    iSetColor(255, 0, 0);
+    iFilledCircle(ball_1_x, ball_1_y, ball_radius);
+
+    // Set drawing color Blue
+    iSetColor(0, 0, 255);
+    iFilledCircle(ball_2_x, ball_2_y, ball_radius);
+}
+
+void iKeyPress(unsigned char key)
+{
+    switch (key)
+    {
+    case 'w': // Move up
+        dir_1_y = 1;
+        break;
+    case 's': // Move down
+        dir_1_y = -1;
+        break;
+    case 'a': // Move left
+        dir_1_x = -1;
+        break;
+    case 'd': // Move right
+        dir_1_x = 1;
+        break;
+    case 'q': // Quit the program
+        iExitMainLoop();
+        break;
+    default:
+        break;
+    }
+}
+
+void iKeyRelease(unsigned char key)
+{
+    switch (key)
+    {
+    case 'w':
+    case 's':
+        dir_1_y = 0;
+        break;
+    case 'a':
+    case 'd':
+        dir_1_x = 0;
+        break;
+    default:
+        break;
+    }
+}
+
+void iSpecialKeyPress(unsigned char key)
+{
+    switch (key)
+    {
+    case GLUT_KEY_UP:
+        dir_2_y = 1;
+        break;
+    case GLUT_KEY_DOWN:
+        dir_2_y = -1;
+        break;
+    case GLUT_KEY_LEFT:
+        dir_2_x = -1;
+        break;
+    case GLUT_KEY_RIGHT:
+        dir_2_x = 1;
+        break;
+    default:
+        break;
+    }
+}
+
+void iSpecialKeyRelease(unsigned char key)
+{
+    switch (key)
+    {
+    case GLUT_KEY_UP:
+    case GLUT_KEY_DOWN:
+        dir_2_y = 0;
+        break;
+    case GLUT_KEY_LEFT:
+    case GLUT_KEY_RIGHT:
+        dir_2_x = 0;
+        break;
+    default:
+        break;
+    }
+}
+
+void ballMovement()
+{
+    ball_1_x = max(min(ball_1_x + dir_1_x * 10, iScreenWidth - ball_radius), ball_radius);
+    ball_1_y = max(min(ball_1_y + dir_1_y * 10, iScreenHeight - ball_radius), ball_radius);
+
+    ball_2_x = max(min(ball_2_x + dir_2_x * 10, iScreenWidth - ball_radius), ball_radius);
+    ball_2_y = max(min(ball_2_y + dir_2_y * 10, iScreenHeight - ball_radius), ball_radius);
+}
+
+int main(int argc, char *argv[])
+{
+    iSetTimer(20, ballMovement);
+    iWindowedMode(400, 400, "iGraphics");
+    iStartMainLoop();
+    return 0;
+}

iGraphics.h

@@ -571,7 +571,7 @@ struct CacheEntry
 };
 static std::unordered_map<std::string, CacheEntry> imageCache;
 static std::list<std::string> lruList; // Most recently used at front
-static const size_t MAX_CACHE_SIZE = 500;
+static const size_t MAX_CACHE_SIZE = 5000;
 
 void iShowImage2(int x, int y, const char *filename, int ignoreColor = -1)
 {