[Core] Add GetRandomFloat to API

examples/core/core_random_values.c

@@ -28,6 +28,7 @@ int main(void)
     // SetRandomSeed(0xaabbccff);   // Set a custom random seed if desired, by default: "time(NULL)"
 
     int randValue = GetRandomValue(-8, 5);   // Get a random integer number between -8 and 5 (both included)
+    float randFloat = GetRandomFloat(-8.0, 5.0);   // Get a random float number between -8 and 5 (both included)
 
     unsigned int framesCounter = 0; // Variable used to count frames
 
@@ -45,6 +46,7 @@ int main(void)
         if (((framesCounter/120)%2) == 1)
         {
             randValue = GetRandomValue(-8, 5);
+            randFloat = GetRandomFloat(-8.0, 5.0);
             framesCounter = 0;
         }
         //----------------------------------------------------------------------------------
@@ -56,8 +58,10 @@ int main(void)
             ClearBackground(RAYWHITE);
 
             DrawText("Every 2 seconds a new random value is generated:", 130, 100, 20, MAROON);
+            DrawText(TextFormat("%i", randValue), 360, 150, 80, LIGHTGRAY);
 
-            DrawText(TextFormat("%i", randValue), 360, 180, 80, LIGHTGRAY);
+            DrawText("Every 2 seconds a new random float is generated:", 130, 260, 20, MAROON);
+            DrawText(TextFormat("%.2f", randFloat), 360, 310, 80, LIGHTGRAY);
 
         EndDrawing();
         //----------------------------------------------------------------------------------

src/raylib.h

@@ -1076,6 +1076,7 @@ RLAPI void WaitTime(double seconds);                              // Wait for so
 // Random values generation functions
 RLAPI void SetRandomSeed(unsigned int seed);                      // Set the seed for the random number generator
 RLAPI int GetRandomValue(int min, int max);                       // Get a random value between min and max (both included)
+RLAPI float GetRandomFloat(float min, float max);                 // Get a float value between min and max (both included)
 RLAPI int *LoadRandomSequence(unsigned int count, int min, int max); // Load random values sequence, no values repeated
 RLAPI void UnloadRandomSequence(int *sequence);                   // Unload random values sequence
 

src/rcore.c

@@ -1761,6 +1761,14 @@ int GetRandomValue(int min, int max)
     return value;
 }
 
+// Get a random float between min and max included
+float GetRandomFloat(float min, float max)
+{
+  float value = min + ((float)GetRandomValue(0, RAND_MAX) / (float)RAND_MAX) * (max - min);
+
+  return value;
+}
+
 // Load random values sequence, no values repeated, min and max included
 int *LoadRandomSequence(unsigned int count, int min, int max)
 {