Review formatting

1 files changed, 90 insertions, 98 deletions

diff --git a/examples/shaders/shaders_spotlight.c b/examples/shaders/shaders_spotlight.c
index 6c075441..51e5f6f4 100644
--- a/examples/shaders/shaders_spotlight.c
+++ b/examples/shaders/shaders_spotlight.c
@@ -39,10 +39,8 @@
     #define GLSL_VERSION            100
 #endif
 
-
-#define MAXSPOT           3	// NB must be the same as define in shader
-#define numStars        400
-
+#define MAX_SPOTS         3        // NOTE: It must be the same as define in shader
+#define MAX_STARS       400
 
 // Spot data
 typedef struct {   
@@ -78,76 +76,67 @@ int main(void)
 
     Texture texRay = LoadTexture("resources/raysan.png");
     
-    Star stars[numStars] = { 0 };
+    Star stars[MAX_STARS] = { 0 };
 
-    for (int n = 0; n < numStars; n++) ResetStar(&stars[n]);
+    for (int n = 0; n < MAX_STARS; n++) ResetStar(&stars[n]);
 
     // Progress all the stars on, so they don't all start in the centre
     for (int m = 0; m < screenWidth/2.0; m++) 
     {
-        for (int n = 0; n < numStars; n++) UpdateStar(&stars[n]);
+        for (int n = 0; n < MAX_STARS; n++) UpdateStar(&stars[n]);
     }
 
     int frameCounter = 0;
-
-
        
     // Use default vert shader
-    Shader spotShader = LoadShader(0, TextFormat("resources/shaders/glsl%i/spotlight.fs", GLSL_VERSION));
+    Shader shdrSpot = LoadShader(0, TextFormat("resources/shaders/glsl%i/spotlight.fs", GLSL_VERSION));
     
-	// Get the locations of spots in the shader
-	Spot spots[MAXSPOT];
-/*
-    unsigned int posLoc;
-    unsigned int innerLoc;
-    unsigned int radiusLoc;
-*/    
-    for (int i = 0; i < MAXSPOT; i++) 
+    // Get the locations of spots in the shader
+    Spot spots[MAX_SPOTS];
+
+    for (int i = 0; i < MAX_SPOTS; i++) 
     {
-		char posName[32] = "spots[x].pos\0";
-		char innerName[32] = "spots[x].inner\0";
-		char radiusName[32] = "spots[x].radius\0";
-
-		posName[6] = '0' + i;
-		innerName[6] = '0' + i;
-		radiusName[6] = '0' + i;
-		
-		spots[i].posLoc = GetShaderLocation(spotShader, posName);
-		spots[i].innerLoc = GetShaderLocation(spotShader, innerName);
-		spots[i].radiusLoc = GetShaderLocation(spotShader, radiusName);
-		
-	}
-	
-	// tell the shader how wide the screen is so we can have
-	// a pitch black half and a dimly lit half.
-	{
-		unsigned int wLoc = GetShaderLocation(spotShader, "screenWidth");
-		float sw = (float)GetScreenWidth();
-		SetShaderValue(spotShader, wLoc, &sw, UNIFORM_FLOAT);
-	}
-
-    // randomise the locations and velocities of the spotlights
+        char posName[32] = "spots[x].pos\0";
+        char innerName[32] = "spots[x].inner\0";
+        char radiusName[32] = "spots[x].radius\0";
+
+        posName[6] = '0' + i;
+        innerName[6] = '0' + i;
+        radiusName[6] = '0' + i;
+        
+        spots[i].posLoc = GetShaderLocation(shdrSpot, posName);
+        spots[i].innerLoc = GetShaderLocation(shdrSpot, innerName);
+        spots[i].radiusLoc = GetShaderLocation(shdrSpot, radiusName);
+        
+    }
+    
+    // Tell the shader how wide the screen is so we can have
+    // a pitch black half and a dimly lit half.
+    unsigned int wLoc = GetShaderLocation(shdrSpot, "screenWidth");
+    float sw = (float)GetScreenWidth();
+    SetShaderValue(shdrSpot, wLoc, &sw, UNIFORM_FLOAT);
+
+    // Randomise the locations and velocities of the spotlights
     // and initialise the shader locations
-    for (int i = 0; i < MAXSPOT; i++)
+    for (int i = 0; i < MAX_SPOTS; i++)
     {
-		
-		spots[i].pos.x = GetRandomValue(64, screenWidth - 64);
-		spots[i].pos.y = GetRandomValue(64, screenHeight - 64);
-		spots[i].vel = (Vector2){ 0, 0 };
+        spots[i].pos.x = GetRandomValue(64, screenWidth - 64);
+        spots[i].pos.y = GetRandomValue(64, screenHeight - 64);
+        spots[i].vel = (Vector2){ 0, 0 };
         
-		while ((fabs(spots[i].vel.x) + fabs(spots[i].vel.y)) < 2)
+        while ((fabs(spots[i].vel.x) + fabs(spots[i].vel.y)) < 2)
         {
-			spots[i].vel.x = GetRandomValue(-40, 40)/10.0;
-			spots[i].vel.y = GetRandomValue(-40, 40)/10.0;
-		}
-		
-		spots[i].inner = 28 * (i + 1);
-		spots[i].radius = 48 * (i + 1);
-		
-		SetShaderValue(spotShader, spots[i].posLoc, &spots[i].pos.x, UNIFORM_VEC2);
-		SetShaderValue(spotShader, spots[i].innerLoc, &spots[i].inner, UNIFORM_FLOAT);
-		SetShaderValue(spotShader, spots[i].radiusLoc, &spots[i].radius, UNIFORM_FLOAT);
-	}
+            spots[i].vel.x = GetRandomValue(-40, 40)/10.0;
+            spots[i].vel.y = GetRandomValue(-40, 40)/10.0;
+        }
+        
+        spots[i].inner = 28 * (i + 1);
+        spots[i].radius = 48 * (i + 1);
+        
+        SetShaderValue(shdrSpot, spots[i].posLoc, &spots[i].pos.x, UNIFORM_VEC2);
+        SetShaderValue(shdrSpot, spots[i].innerLoc, &spots[i].inner, UNIFORM_FLOAT);
+        SetShaderValue(shdrSpot, spots[i].radiusLoc, &spots[i].radius, UNIFORM_FLOAT);
+    }
 
     SetTargetFPS(60);               // Set  to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
@@ -159,39 +148,42 @@ int main(void)
         //----------------------------------------------------------------------------------
         frameCounter++;
 
-		// Move the stars, resetting them if the go offscreen
-        for (int n = 0; n < numStars; n++) UpdateStar(&stars[n]);
+        // Move the stars, resetting them if the go offscreen
+        for (int n = 0; n < MAX_STARS; n++) UpdateStar(&stars[n]);
 
-		// Update the spots, send them to the shader
-		for (int i = 0; i < MAXSPOT; i++)
+        // Update the spots, send them to the shader
+        for (int i = 0; i < MAX_SPOTS; i++)
         {
-			if ( i == 0 ) {
-				Vector2 mp = GetMousePosition();
-				spots[i].pos.x = mp.x;					
-				spots[i].pos.y = screenHeight - mp.y;
-			} else {
-				spots[i].pos.x += spots[i].vel.x;					
-				spots[i].pos.y += spots[i].vel.y;
-				
-				if (spots[i].pos.x < 64) spots[i].vel.x = -spots[i].vel.x;					
-				if (spots[i].pos.x > screenWidth - 64) spots[i].vel.x = -spots[i].vel.x;					
-				if (spots[i].pos.y < 64) spots[i].vel.y = -spots[i].vel.y;					
-				if (spots[i].pos.y > screenHeight - 64) spots[i].vel.y = -spots[i].vel.y;
-			}
-			
-			SetShaderValue(spotShader, spots[i].posLoc, &spots[i].pos.x, UNIFORM_VEC2);				
-		}
-			
+            if (i == 0)
+            {
+                Vector2 mp = GetMousePosition();
+                spots[i].pos.x = mp.x;                    
+                spots[i].pos.y = screenHeight - mp.y;
+            }
+            else
+            {
+                spots[i].pos.x += spots[i].vel.x;                    
+                spots[i].pos.y += spots[i].vel.y;
+                
+                if (spots[i].pos.x < 64) spots[i].vel.x = -spots[i].vel.x;                    
+                if (spots[i].pos.x > (screenWidth - 64)) spots[i].vel.x = -spots[i].vel.x;                    
+                if (spots[i].pos.y < 64) spots[i].vel.y = -spots[i].vel.y;                    
+                if (spots[i].pos.y > (screenHeight - 64)) spots[i].vel.y = -spots[i].vel.y;
+            }
+            
+            SetShaderValue(shdrSpot, spots[i].posLoc, &spots[i].pos.x, UNIFORM_VEC2);                
+        }
+            
         // Draw
         //----------------------------------------------------------------------------------
         BeginDrawing();
 
             ClearBackground(DARKBLUE);
 
-			// Draw stars and bobs
-            for (int n = 0; n < numStars; n++)
+            // Draw stars and bobs
+            for (int n = 0; n < MAX_STARS; n++)
             {
-				// Single pixel is just too small these days!
+                // Single pixel is just too small these days!
                 DrawRectangle(stars[n].pos.x, stars[n].pos.y, 2, 2, WHITE);
             }
 
@@ -199,24 +191,23 @@ int main(void)
             {
                 DrawTexture(texRay,
                     (screenWidth/2.0) + cos((frameCounter + i*8)/51.45f)*(screenWidth/2.2) - 32,
-                    (screenHeight/2.0) + sin((frameCounter + i*8)/17.87f)*(screenHeight/4.2),
-                    WHITE);
+                    (screenHeight/2.0) + sin((frameCounter + i*8)/17.87f)*(screenHeight/4.2), WHITE);
             }
 
-			// Draw spot lights
-			BeginShaderMode(spotShader);
-				// instead of a blank rectangle you could render here
-				// a render texture of the full screen used to do screen
-				// scaling (slight adjustment to shader would be required
-				// to actually pay attention to the colour!)
-				DrawRectangle(0,0,screenWidth,screenHeight,WHITE);
-			EndShaderMode();
+            // Draw spot lights
+            BeginShaderMode(shdrSpot);
+                // Instead of a blank rectangle you could render here
+                // a render texture of the full screen used to do screen
+                // scaling (slight adjustment to shader would be required
+                // to actually pay attention to the colour!)
+                DrawRectangle(0, 0, screenWidth, screenHeight, WHITE);
+            EndShaderMode();
 
             DrawFPS(10, 10);
             
             DrawText("Move the mouse!", 10, 30, 20, GREEN);
-            DrawText("Pitch Black", screenWidth * .2, screenHeight / 2, 20, GREEN);
-            DrawText("Dark", screenWidth * .66, screenHeight / 2, 20, GREEN);
+            DrawText("Pitch Black", screenWidth*0.2f, screenHeight/2, 20, GREEN);
+            DrawText("Dark", screenWidth*.66f, screenHeight/2, 20, GREEN);
             
 
         EndDrawing();
@@ -226,6 +217,7 @@ int main(void)
     // De-Initialization
     //--------------------------------------------------------------------------------------
     UnloadTexture(texRay);
+    UnloadShader(shdrSpot);
 
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
@@ -243,17 +235,17 @@ void ResetStar(Star *s)
         s->vel.x = (float)GetRandomValue(-1000, 1000)/100.0f;
         s->vel.y = (float)GetRandomValue(-1000, 1000)/100.0f;
         
-    } while (!(fabs(s->vel.x) + fabs(s->vel.y) > 1));
+    } while (!(fabs(s->vel.x) + (fabs(s->vel.y) > 1)));
     
-    s->pos = Vector2Add(s->pos, Vector2Multiply(s->vel, (Vector2){ 8, 8 }));
+    s->pos = Vector2Add(s->pos, Vector2Multiply(s->vel, (Vector2){ 8.0f, 8.0f }));
 }
 
 void UpdateStar(Star *s)
 {
     s->pos = Vector2Add(s->pos, s->vel);
     
-    if (s->pos.x < 0 || s->pos.x > GetScreenWidth() ||
-        s->pos.y < 0 || s->pos.y > GetScreenHeight())
+    if ((s->pos.x < 0) || (s->pos.x > GetScreenWidth()) ||
+        (s->pos.y < 0) || (s->pos.y > GetScreenHeight()))
     {
         ResetStar(s);
     }