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examples/resources/shaders/standard.fs

@@ -88,8 +88,10 @@ vec3 CalcSpotLight(Light l, vec3 n, vec3 v, float s)
     // Spot attenuation
     float attenuation = clamp(dot(n, lightToSurface), 0.0, 1.0);
     attenuation = dot(lightToSurface, -lightDir);
+    
     float lightToSurfaceAngle = degrees(acos(attenuation));
     if (lightToSurfaceAngle > l.coneAngle) attenuation = 0.0;
+    
     float falloff = (l.coneAngle - lightToSurfaceAngle)/l.coneAngle;
     
     // Combine diffuse and attenuation
@@ -103,7 +105,7 @@ vec3 CalcSpotLight(Light l, vec3 n, vec3 v, float s)
         spec = pow(dot(n, h), 3 + glossiness)*s;
     }
     
-    return falloff*(diffAttenuation*l.diffuse.rgb + spec*colSpecular.rgb);
+    return (falloff*(diffAttenuation*l.diffuse.rgb + spec*colSpecular.rgb));
 }
 
 void main()
@@ -122,7 +124,7 @@ void main()
     vec3 lighting = colAmbient.rgb;
     
     // Calculate normal texture color fetching or set to maximum normal value by default
-    if(useNormal == 1)
+    if (useNormal == 1)
     {
         n *= texture(texture1, fragTexCoord).rgb;
         n = normalize(n);
@@ -130,7 +132,7 @@ void main()
     
     // Calculate specular texture color fetching or set to maximum specular value by default
     float spec = 1.0;
-    if(useSpecular == 1) spec *= normalize(texture(texture2, fragTexCoord).r);
+    if (useSpecular == 1) spec *= normalize(texture(texture2, fragTexCoord).r);
     
     for (int i = 0; i < lightsCount; i++)
     {

src/raylib.h

@@ -349,7 +349,7 @@ typedef struct Camera {
     Vector3 position;       // Camera position
     Vector3 target;         // Camera target it looks-at
     Vector3 up;             // Camera up vector (rotation over its axis)
-    float fovy;             // Field-Of-View apperture in Y (degrees)
+    float fovy;             // Camera field-of-view apperture in Y (degrees)
 } Camera;
 
 // Camera2D type, defines a 2d camera
@@ -362,8 +362,8 @@ typedef struct Camera2D {
 
 // Bounding box type
 typedef struct BoundingBox {
-    Vector3 min;
-    Vector3 max;
+    Vector3 min;            // minimum vertex box-corner
+    Vector3 max;            // maximum vertex box-corner
 } BoundingBox;
 
 // Vertex data definning a mesh
@@ -376,9 +376,7 @@ typedef struct Mesh {
     float *normals;         // vertex normals (XYZ - 3 components per vertex) (shader-location = 2)
     float *tangents;        // vertex tangents (XYZ - 3 components per vertex) (shader-location = 4)
     unsigned char *colors;  // vertex colors (RGBA - 4 components per vertex) (shader-location = 3)
-    unsigned short *indices;    // vertex indices (in case vertex data comes indexed)
-
-    BoundingBox bounds;         // mesh limits defined by min and max points
+    unsigned short *indices;// vertex indices (in case vertex data comes indexed)
 
     unsigned int vaoId;     // OpenGL Vertex Array Object id
     unsigned int vboId[7];  // OpenGL Vertex Buffer Objects id (7 types of vertex data)
@@ -430,7 +428,7 @@ typedef struct Model {
 
 // Light type
 typedef struct LightData {
-    unsigned int id;    // Light id
+    unsigned int id;        // Light unique id
     int type;               // Light type: LIGHT_POINT, LIGHT_DIRECTIONAL, LIGHT_SPOT
     bool enabled;           // Light enabled
     

src/rlgl.h

@@ -131,25 +131,17 @@ typedef enum { OPENGL_11 = 1, OPENGL_33, OPENGL_ES_20 } GlVersion;
         COMPRESSED_ASTC_8x8_RGBA        // 2 bpp
     } TextureFormat;
 
-    // Bounding box type
-    typedef struct BoundingBox {
-        Vector3 min;
-        Vector3 max;
-    } BoundingBox;
-
     // Vertex data definning a mesh
     typedef struct Mesh {
         int vertexCount;        // number of vertices stored in arrays
+        int triangleCount;      // number of triangles stored (indexed or not)
         float *vertices;        // vertex position (XYZ - 3 components per vertex) (shader-location = 0)
         float *texcoords;       // vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1)
         float *texcoords2;      // vertex second texture coordinates (useful for lightmaps) (shader-location = 5)
         float *normals;         // vertex normals (XYZ - 3 components per vertex) (shader-location = 2)
         float *tangents;        // vertex tangents (XYZ - 3 components per vertex) (shader-location = 4)
         unsigned char *colors;  // vertex colors (RGBA - 4 components per vertex) (shader-location = 3)
-        unsigned short *indices;    // vertex indices (in case vertex data comes indexed)
-        int triangleCount;          // number of triangles stored (indexed or not)
-        
-        BoundingBox bounds;         // mesh limits defined by min and max points
+        unsigned short *indices;// vertex indices (in case vertex data comes indexed)
 
         unsigned int vaoId;     // OpenGL Vertex Array Object id
         unsigned int vboId[7];  // OpenGL Vertex Buffer Objects id (7 types of vertex data)
@@ -209,9 +201,17 @@ typedef enum { OPENGL_11 = 1, OPENGL_33, OPENGL_ES_20 } GlVersion;
         float glossiness;       // Glossiness level (Ranges from 0 to 1000)
     } Material;
     
+    // Camera type, defines a camera position/orientation in 3d space
+    typedef struct Camera {
+        Vector3 position;       // Camera position
+        Vector3 target;         // Camera target it looks-at
+        Vector3 up;             // Camera up vector (rotation over its axis)
+        float fovy;             // Camera field-of-view apperture in Y (degrees)
+    } Camera;
+
     // Light type
     typedef struct LightData {
-        unsigned int id;    // Light id
+        unsigned int id;        // Light unique id
         int type;               // Light type: LIGHT_POINT, LIGHT_DIRECTIONAL, LIGHT_SPOT
         bool enabled;           // Light enabled
         
@@ -225,6 +225,9 @@ typedef enum { OPENGL_11 = 1, OPENGL_33, OPENGL_ES_20 } GlVersion;
         float coneAngle;        // Light cone max angle: LIGHT_SPOT
     } LightData, *Light;
     
+    // Light types
+    typedef enum { LIGHT_POINT, LIGHT_DIRECTIONAL, LIGHT_SPOT } LightType;
+
     // Color blending modes (pre-defined)
     typedef enum { BLEND_ALPHA = 0, BLEND_ADDITIVE, BLEND_MULTIPLIED } BlendMode;
 #endif