minor refactor

1 files changed, 5 insertions, 9 deletions

diff --git a/src/display.c b/src/display.c
index a09cc46..ba9bc48 100644
--- a/src/display.c
+++ b/src/display.c
@@ -12,7 +12,7 @@ static void error_callback(int error, const char* description)
 
 static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
 {
-    if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
+    if(key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
         glfwSetWindowShouldClose(window, GLFW_TRUE);
 }
 
@@ -24,6 +24,7 @@ GLubyte pixels[BUF_CAP] = {0};
 
 void pixel(int x, int y, char *buf)
 {
+    // for rotating the screen
     int p = (y*WIDTH + x)*3;
     int b = ((HEIGHT-1-y)*WIDTH+x)*3;
     pixels[p+0] = buf[b+0];
@@ -53,20 +54,15 @@ int display(void)
     glfwMakeContextCurrent(window);
     glfwSwapInterval(1);
 
-
-    unsigned char *copy_cam_data;
     while (!glfwWindowShouldClose(window))
     {
-        // memcpy(copy_cam_data, cam_data, BUF_CAP);
-        copy_cam_data = cam_data;
-
-        WIDTH = MAX(copy_cam_data[0], 1);
-        HEIGHT = MAX(copy_cam_data[1], 1);
+        WIDTH = MAX(cam_data[0], 1);
+        HEIGHT = MAX(cam_data[1], 1);
         glfwSetWindowSize(window, WIDTH, HEIGHT);
 
         for(int i = 0; i < HEIGHT; i++)
             for(int j = 0; j < WIDTH; j++)
-                pixel(j, i, &(copy_cam_data[2]));
+                pixel(j, i, &(cam_data[2]));
 
         glClear(GL_COLOR_BUFFER_BIT);
         glDrawPixels(WIDTH, HEIGHT, GL_RGB, GL_UNSIGNED_BYTE, pixels);