Corrected camera system

src/core.c

@@ -261,7 +261,6 @@ static Vector2 cameraMousePosition = { 0, 0 };
 static Vector2 cameraMouseVariation = { 0, 0 };
 static int cameraMovementCounter = 0;
 static bool cameraUseGravity = true;
-static Vector3 cameraPosition = { 2, 0, 2 };  // Player
 
 // Shaders variables
 static bool enabledPostpro = false;
@@ -316,7 +315,7 @@ static int32_t InputCallback(struct android_app *app, AInputEvent *event);   //
 static void CommandCallback(struct android_app *app, int32_t cmd);           // Process Android activity lifecycle commands
 #endif
 
-static void ProcessCamera(Camera *camera);
+static void ProcessCamera(Camera *camera, Vector3 *playerPosition);
 
 //----------------------------------------------------------------------------------
 // Module Functions Definition - Window and OpenGL Context Functions
@@ -535,10 +534,7 @@ void BeginDrawing(void)
     currentTime = GetTime();            // Number of elapsed seconds since InitTimer() was called
     updateTime = currentTime - previousTime;
     previousTime = currentTime;
-    
-    // Calculate camera
-    if (cameraMode != CAMERA_CUSTOM) ProcessCamera(&internalCamera);
-    
+
     if (enabledPostpro) rlEnableFBO();
 
     rlClearScreenBuffers();
@@ -707,9 +703,46 @@ void ShowLogo(void)
 
 void SetCameraMode(int mode)
 {
+    if ((cameraMode == CAMERA_FIRST_PERSON) && (mode == CAMERA_FREE))
+    {
+        cameraMode = CAMERA_THIRD_PERSON;
+        cameraTargetDistance = 5;
+        cameraAngle.y = -40 * DEG2RAD;
+        ProcessCamera(&internalCamera, &internalCamera.position);
+    }
+    else if ((cameraMode == CAMERA_FIRST_PERSON) && (mode == CAMERA_ORBITAL))
+    {
+        cameraMode = CAMERA_THIRD_PERSON;
+        cameraTargetDistance = 5;
+        cameraAngle.y = -40 * DEG2RAD;
+        ProcessCamera(&internalCamera, &internalCamera.position);
+    }
+    else if ((cameraMode == CAMERA_CUSTOM) && (mode == CAMERA_FREE))
+    {
+        cameraMode = CAMERA_THIRD_PERSON;
+        cameraTargetDistance = 5;
+        internalCamera.position = (Vector3){ -1, 1, -1 };
+        internalCamera.target = (Vector3){ 3, 0, 3};
+        ProcessCamera(&internalCamera, &internalCamera.position);
+    }
+    else if ((cameraMode == CAMERA_CUSTOM) && (mode == CAMERA_ORBITAL))
+    {
+        cameraMode = CAMERA_THIRD_PERSON;
+        cameraTargetDistance = 5;
+        cameraAngle.x = 45 * DEG2RAD;
+        cameraAngle.y = -20 * DEG2RAD;
+        ProcessCamera(&internalCamera, &internalCamera.position);
+    }
+    
     cameraMode = mode;
 }
 
+void UpdateCamera(Vector3 *playerPosition)
+{
+    // Calculate camera
+    if (cameraMode != CAMERA_CUSTOM) ProcessCamera(&internalCamera, playerPosition);
+}
+
 //----------------------------------------------------------------------------------
 // Module Functions Definition - Input (Keyboard, Mouse, Gamepad) Functions
 //----------------------------------------------------------------------------------
@@ -1026,6 +1059,32 @@ Vector2 GetTouchPosition(void)
 }*/
 #endif
 
+// Initialize OpenGL graphics
+void InitGraphics(void)
+{
+    rlglInit();                     // Init rlgl
+
+    rlglInitGraphics(renderOffsetX, renderOffsetY, renderWidth, renderHeight);  // Init graphics (OpenGL stuff)
+
+    ClearBackground(RAYWHITE);      // Default background color for raylib games :P
+
+#if defined(PLATFORM_ANDROID)
+    windowReady = true;     // IMPORTANT!
+#endif
+}
+
+void InitPostShader(void)
+{
+    rlglInitPostpro();
+    
+    enabledPostpro = true;
+}
+
+void SetPostShader(unsigned int shader)
+{
+    fboShader = shader;
+}
+
 //----------------------------------------------------------------------------------
 // Module specific Functions Definition
 //----------------------------------------------------------------------------------
@@ -1287,32 +1346,6 @@ static void InitDisplay(int width, int height)
 #endif
 }
 
-// Initialize OpenGL graphics
-void InitGraphics(void)
-{
-    rlglInit();                     // Init rlgl
-
-    rlglInitGraphics(renderOffsetX, renderOffsetY, renderWidth, renderHeight);  // Init graphics (OpenGL stuff)
-
-    ClearBackground(RAYWHITE);      // Default background color for raylib games :P
-
-#if defined(PLATFORM_ANDROID)
-    windowReady = true;     // IMPORTANT!
-#endif
-}
-
-void InitPostShader(void)
-{
-    rlglInitPostpro();
-    
-    enabledPostpro = true;
-}
-
-void SetPostShader(unsigned int shader)
-{
-    fboShader = shader;
-}
-
 #if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB)
 // GLFW3 Error Callback, runs on GLFW3 error
 static void ErrorCallback(int error, const char *description)
@@ -2299,8 +2332,8 @@ static void LogoAnimation(void)
 }
 
 // Process desired camera mode and controls
-static void ProcessCamera(Camera *camera)
-{    
+static void ProcessCamera(Camera *camera, Vector3 *playerPosition)
+{
     // Mouse movement detection
     if (fullscreen)
     {
@@ -2408,16 +2441,16 @@ static void ProcessCamera(Camera *camera)
             // Keyboard inputs
             if (IsKeyDown('W'))
             {
-                cameraPosition.x -= sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
-                cameraPosition.z -= cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->x -= sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->z -= cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
                 if (!cameraUseGravity) camera->position.y += sin(cameraAngle.y) / PLAYER_MOVEMENT_DIVIDER;
                 
                 isMoving = true;
             }
             else if (IsKeyDown('S'))
             {
-                cameraPosition.x += sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
-                cameraPosition.z += cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->x += sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->z += cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
                 if (!cameraUseGravity) camera->position.y -= sin(cameraAngle.y) / PLAYER_MOVEMENT_DIVIDER;
                 
                 isMoving = true;
@@ -2425,26 +2458,26 @@ static void ProcessCamera(Camera *camera)
             
             if (IsKeyDown('A'))
             {
-                cameraPosition.x -= cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
-                cameraPosition.z += sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->x -= cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->z += sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
                 
                 isMoving = true;
             }
             else if (IsKeyDown('D'))
             {
-                cameraPosition.x += cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
-                cameraPosition.z -= sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->x += cos(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
+                playerPosition->z -= sin(cameraAngle.x) / PLAYER_MOVEMENT_DIVIDER;
                 
                 isMoving = true;
             }
             
             if (IsKeyDown('E'))
             {
-                if (!cameraUseGravity) cameraPosition.y += 1 / PLAYER_MOVEMENT_DIVIDER;
+                if (!cameraUseGravity) playerPosition->y += 1 / PLAYER_MOVEMENT_DIVIDER;
             }
             else if (IsKeyDown('Q'))
             {
-                if (!cameraUseGravity) cameraPosition.y -= 1 / PLAYER_MOVEMENT_DIVIDER;
+                if (!cameraUseGravity) playerPosition->y -= 1 / PLAYER_MOVEMENT_DIVIDER;
             }
             
             if (cameraMode == CAMERA_THIRD_PERSON)
@@ -2465,9 +2498,9 @@ static void ProcessCamera(Camera *camera)
                 if (cameraTargetDistance < THIRD_PERSON_DISTANCE_CLAMP) cameraTargetDistance = THIRD_PERSON_DISTANCE_CLAMP;
                 
                 // Camera is always looking at player
-                camera->target.x = cameraPosition.x + THIRD_PERSON_OFFSET.x * cos(cameraAngle.x) + THIRD_PERSON_OFFSET.z * sin(cameraAngle.x);
-                camera->target.y = cameraPosition.y + PLAYER_HEIGHT * FIRST_PERSON_HEIGHT_RELATIVE_EYES_POSITION + THIRD_PERSON_OFFSET.y;
-                camera->target.z = cameraPosition.z + THIRD_PERSON_OFFSET.z * sin(cameraAngle.x) - THIRD_PERSON_OFFSET.x * sin(cameraAngle.x);
+                camera->target.x = playerPosition->x + THIRD_PERSON_OFFSET.x * cos(cameraAngle.x) + THIRD_PERSON_OFFSET.z * sin(cameraAngle.x);
+                camera->target.y = playerPosition->y + PLAYER_HEIGHT * FIRST_PERSON_HEIGHT_RELATIVE_EYES_POSITION + THIRD_PERSON_OFFSET.y;
+                camera->target.z = playerPosition->z + THIRD_PERSON_OFFSET.z * sin(cameraAngle.x) - THIRD_PERSON_OFFSET.x * sin(cameraAngle.x);
                 
                 // Camera position update
                 camera->position.x = sin(cameraAngle.x) * cameraTargetDistance * cos(cameraAngle.y) + camera->target.x;
@@ -2495,9 +2528,9 @@ static void ProcessCamera(Camera *camera)
                 camera->target.y = camera->position.y + sin(cameraAngle.y) * FIRST_PERSON_FOCUS_DISTANCE;
                 camera->target.z = camera->position.z - cos(cameraAngle.x) * FIRST_PERSON_FOCUS_DISTANCE;
                 
-                camera->position.x = cameraPosition.x;
-                camera->position.y = (cameraPosition.y + PLAYER_HEIGHT * FIRST_PERSON_HEIGHT_RELATIVE_EYES_POSITION) - sin(cameraMovementCounter / FIRST_PERSON_STEP_TRIGONOMETRIC_DIVIDER) / FIRST_PERSON_STEP_DIVIDER;
-                camera->position.z = cameraPosition.z;
+                camera->position.x = playerPosition->x;
+                camera->position.y = (playerPosition->y + PLAYER_HEIGHT * FIRST_PERSON_HEIGHT_RELATIVE_EYES_POSITION) - sin(cameraMovementCounter / FIRST_PERSON_STEP_TRIGONOMETRIC_DIVIDER) / FIRST_PERSON_STEP_DIVIDER;
+                camera->position.z = playerPosition->z;
                 
                 camera->up.x = sin(cameraMovementCounter / (FIRST_PERSON_STEP_TRIGONOMETRIC_DIVIDER * 2)) / FIRST_PERSON_WAVING_DIVIDER;
                 camera->up.z = -sin(cameraMovementCounter / (FIRST_PERSON_STEP_TRIGONOMETRIC_DIVIDER * 2)) / FIRST_PERSON_WAVING_DIVIDER;

src/models.c

@@ -1335,6 +1335,242 @@ void DrawBillboardRec(Camera camera, Texture2D texture, Rectangle sourceRec, Vec
     rlDisableTexture();
 }
 
+
+bool CheckCollisionSpheres(Vector3 centerA, float radiusA, Vector3 centerB, float radiusB)
+{
+    bool collision = false;
+
+    float dx = centerA.x - centerB.x;      // X distance between centers
+    float dy = centerA.y - centerB.y;      // Y distance between centers
+    float dz = centerA.z - centerB.z;      // Y distance between centers
+
+    float distance = sqrt(dx*dx + dy*dy + dz*dz);  // Distance between centers
+
+    if (distance <= (radiusA + radiusB)) collision = true;
+    
+    return collision;
+}
+
+bool CheckCollisionBoxes(Vector3 minBBox1, Vector3 maxBBox1, Vector3 minBBox2, Vector3 maxBBox2)
+{
+    /*
+    // Get min and max vertex to construct bounds (AABB)
+    Vector3 minVertex = tempVertices[0];
+    Vector3 maxVertex = tempVertices[0];
+
+    for (int i = 1; i < tempVertices.Count; i++)
+    {
+        minVertex = Vector3.Min(minVertex, tempVertices[i]);
+        maxVertex = Vector3.Max(maxVertex, tempVertices[i]);
+    }
+
+    bounds = new BoundingBox(minVertex, maxVertex);
+    */
+    
+    bool collision = true;
+    
+    if ((maxBBox1.x >= minBBox2.x) && (minBBox1.x <= maxBBox2.x))
+    {
+        if ((maxBBox1.y < minBBox2.y) || (minBBox1.y > maxBBox2.y)) collision = false;
+        if ((maxBBox1.z < minBBox2.z) || (minBBox1.z > maxBBox2.z)) collision = false;
+    }
+    else collision = false;
+
+    return collision;
+}
+
+bool CheckCollisionBoxSphere(Vector3 minBBox, Vector3 maxBBox, Vector3 centerSphere, float radiusSphere)
+{
+    bool collision = false;
+    
+    if ((centerSphere.x - minBBox.x > radiusSphere) && (centerSphere.y - minBBox.y > radiusSphere) && (centerSphere.z - minBBox.z > radiusSphere) &&
+            (maxBBox.x - centerSphere.x > radiusSphere) && (maxBBox.y - centerSphere.y > radiusSphere) && (maxBBox.z - centerSphere.z > radiusSphere))
+    {
+        collision = true;
+    }
+    else
+    {
+        float dmin = 0;
+
+        if (centerSphere.x - minBBox.x <= radiusSphere)
+            dmin += (centerSphere.x - minBBox.x) * (centerSphere.x - minBBox.x);
+        else if (maxBBox.x - centerSphere.x <= radiusSphere)
+            dmin += (centerSphere.x - maxBBox.x) * (centerSphere.x - maxBBox.x);
+
+        if (centerSphere.y - minBBox.y <= radiusSphere)
+            dmin += (centerSphere.y - minBBox.y) * (centerSphere.y - minBBox.y);
+        else if (maxBBox.y - centerSphere.y <= radiusSphere)
+            dmin += (centerSphere.y - maxBBox.y) * (centerSphere.y - maxBBox.y);
+
+        if (centerSphere.z - minBBox.z <= radiusSphere)
+            dmin += (centerSphere.z - minBBox.z) * (centerSphere.z - minBBox.z);
+        else if (maxBBox.z - centerSphere.z <= radiusSphere)
+            dmin += (centerSphere.z - maxBBox.z) * (centerSphere.z - maxBBox.z);
+
+        if (dmin <= radiusSphere * radiusSphere) collision = true;
+    }
+
+    return collision;
+}
+
+// TODO
+//BoundingBox GetCollisionArea(BoundingBox box1, BoundingBox box2)
+
+// Detect and resolve cubicmap collisions
+// NOTE: player position (or camera) is modified inside this function
+void ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition)
+{
+    // Detect the cell where the player is located
+    int locationCellX = 0;
+    int locationCellY = 0;
+    
+    locationCellX = floor(playerPosition->x + mapPosition.x + 0.5);
+    locationCellY = floor(playerPosition->z + mapPosition.z + 0.5);
+    
+    // Multiple Axis --------------------------------------------------------------------------------------------
+    
+    // Axis x-, y-
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) &&
+        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
+            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
+        {
+            playerPosition->x = locationCellX - 0.2;
+            playerPosition->z = locationCellY - 0.2;
+        }
+    }
+    
+    // Axis x-, y+
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) &&
+        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
+            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
+        {
+            playerPosition->x = locationCellX - 0.2;
+            playerPosition->z = locationCellY + 0.2;
+        }
+    }
+    
+    // Axis x+, y-
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) &&
+        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
+            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
+        {
+            playerPosition->x = locationCellX + 0.2;
+            playerPosition->z = locationCellY - 0.2;
+        }
+    }
+    
+    // Axis x+, y+
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) &&
+        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
+            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
+        {
+            playerPosition->x = locationCellX + 0.2f;
+            playerPosition->z = locationCellY + 0.2f;
+        }
+    }
+    
+    // Single Axis ---------------------------------------------------------------------------------------------------
+    
+    // Axis x-
+    if (cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0)
+    {
+        if ((playerPosition->x + 0.5f) - locationCellX < 0.3)
+        {
+            playerPosition->x = locationCellX - 0.2;
+        }
+    }
+    // Axis x+
+    if (cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0)
+    {
+        if ((playerPosition->x + 0.5f) - locationCellX > 0.7)
+        {
+            playerPosition->x = locationCellX + 0.2;
+        }
+    }
+    // Axis y-
+    if (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0)
+    {
+        if ((playerPosition->z + 0.5f) - locationCellY < 0.3)
+        {
+            playerPosition->z = locationCellY - 0.2;
+        }
+    }
+    // Axis y+
+    if (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0)
+    {
+        if ((playerPosition->z + 0.5f) - locationCellY > 0.7)
+        {
+            playerPosition->z = locationCellY + 0.2;
+        }
+    }
+    
+    // Diagonals -------------------------------------------------------------------------------------------------------
+    
+    // Axis x-, y-
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r == 0) &&
+        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r == 0) &&
+        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX - 1)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
+            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
+        {
+            if (((playerPosition->x + 0.5f) - locationCellX) > ((playerPosition->z + 0.5f) - locationCellY)) playerPosition->x = locationCellX - 0.2;
+            else playerPosition->z = locationCellY - 0.2;
+        }
+    }
+    
+    // Axis x-, y+
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r == 0) &&
+        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r == 0) &&
+        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX - 1)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
+            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
+        {
+            if (((playerPosition->x + 0.5f) - locationCellX) > (1 - ((playerPosition->z + 0.5f) - locationCellY))) playerPosition->x = locationCellX - 0.2;
+            else playerPosition->z = locationCellY + 0.2;
+        }
+    }
+    
+    // Axis x+, y-
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r == 0) &&
+        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r == 0) &&
+        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX + 1)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
+            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
+        {
+            if (((playerPosition->x + 0.5f) - locationCellX) < (1 - ((playerPosition->z + 0.5f) - locationCellY))) playerPosition->x = locationCellX + 0.2;
+            else playerPosition->z = locationCellY - 0.2;
+        }
+    }
+    
+    // Axis x+, y+
+    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r == 0) &&
+        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r == 0) &&
+        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX + 1)].r != 0))
+    {
+        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
+            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
+        {
+            if (((playerPosition->x + 0.5f) - locationCellX) < ((playerPosition->z + 0.5f) - locationCellY)) playerPosition->x = locationCellX + 0.2;
+            else playerPosition->z = locationCellY + 0.2;
+        }
+    }
+}
+
+//----------------------------------------------------------------------------------
+// Module specific Functions Definition
+//----------------------------------------------------------------------------------
+
 // Get current vertex y altitude (proportional to pixel colors in grayscale)
 static float GetHeightValue(Color pixel)
 {
@@ -1592,234 +1828,3 @@ static VertexData LoadOBJ(const char *fileName)
 
     return vData;
 }
-
-bool CheckCollisionSpheres(Vector3 centerA, float radiusA, Vector3 centerB, float radiusB)
-{
-    bool collision = false;
-
-    float dx = centerA.x - centerB.x;      // X distance between centers
-    float dy = centerA.y - centerB.y;      // Y distance between centers
-    float dz = centerA.z - centerB.z;      // Y distance between centers
-
-    float distance = sqrt(dx*dx + dy*dy + dz*dz);  // Distance between centers
-
-    if (distance <= (radiusA + radiusB)) collision = true;
-    
-    return collision;
-}
-
-bool CheckCollisionBoxes(Vector3 minBBox1, Vector3 maxBBox1, Vector3 minBBox2, Vector3 maxBBox2)
-{
-    /*
-    // Get min and max vertex to construct bounds (AABB)
-    Vector3 minVertex = tempVertices[0];
-    Vector3 maxVertex = tempVertices[0];
-
-    for (int i = 1; i < tempVertices.Count; i++)
-    {
-        minVertex = Vector3.Min(minVertex, tempVertices[i]);
-        maxVertex = Vector3.Max(maxVertex, tempVertices[i]);
-    }
-
-    bounds = new BoundingBox(minVertex, maxVertex);
-    */
-    
-    bool collision = true;
-    
-    if ((maxBBox1.x >= minBBox2.x) && (minBBox1.x <= maxBBox2.x))
-    {
-        if ((maxBBox1.y < minBBox2.y) || (minBBox1.y > maxBBox2.y)) collision = false;
-        if ((maxBBox1.z < minBBox2.z) || (minBBox1.z > maxBBox2.z)) collision = false;
-    }
-    else collision = false;
-
-    return collision;
-}
-
-bool CheckCollisionBoxSphere(Vector3 minBBox, Vector3 maxBBox, Vector3 centerSphere, float radiusSphere)
-{
-    bool collision = false;
-    
-    if ((centerSphere.x - minBBox.x > radiusSphere) && (centerSphere.y - minBBox.y > radiusSphere) && (centerSphere.z - minBBox.z > radiusSphere) &&
-            (maxBBox.x - centerSphere.x > radiusSphere) && (maxBBox.y - centerSphere.y > radiusSphere) && (maxBBox.z - centerSphere.z > radiusSphere))
-    {
-        collision = true;
-    }
-    else
-    {
-        float dmin = 0;
-
-        if (centerSphere.x - minBBox.x <= radiusSphere)
-            dmin += (centerSphere.x - minBBox.x) * (centerSphere.x - minBBox.x);
-        else if (maxBBox.x - centerSphere.x <= radiusSphere)
-            dmin += (centerSphere.x - maxBBox.x) * (centerSphere.x - maxBBox.x);
-
-        if (centerSphere.y - minBBox.y <= radiusSphere)
-            dmin += (centerSphere.y - minBBox.y) * (centerSphere.y - minBBox.y);
-        else if (maxBBox.y - centerSphere.y <= radiusSphere)
-            dmin += (centerSphere.y - maxBBox.y) * (centerSphere.y - maxBBox.y);
-
-        if (centerSphere.z - minBBox.z <= radiusSphere)
-            dmin += (centerSphere.z - minBBox.z) * (centerSphere.z - minBBox.z);
-        else if (maxBBox.z - centerSphere.z <= radiusSphere)
-            dmin += (centerSphere.z - maxBBox.z) * (centerSphere.z - maxBBox.z);
-
-        if (dmin <= radiusSphere * radiusSphere) collision = true;
-    }
-
-    return collision;
-}
-
-// TODO
-//BoundingBox GetCollisionArea(BoundingBox box1, BoundingBox box2)
-
-// Detect and resolve cubicmap collisions
-// NOTE: player position (or camera) is modified inside this function
-void ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition)
-{
-    // Detect the cell where the player is located
-    int locationCellX = 0;
-    int locationCellY = 0;
-    
-    locationCellX = floor(playerPosition->x + mapPosition.x + 0.5);
-    locationCellY = floor(playerPosition->z + mapPosition.z + 0.5);
-    
-    // Multiple Axis --------------------------------------------------------------------------------------------
-    
-    // Axis x-, y-
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) &&
-        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
-            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
-        {
-            playerPosition->x = locationCellX - 0.2;
-            playerPosition->z = locationCellY - 0.2;
-        }
-    }
-    
-    // Axis x-, y+
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0) &&
-        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
-            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
-        {
-            playerPosition->x = locationCellX - 0.2;
-            playerPosition->z = locationCellY + 0.2;
-        }
-    }
-    
-    // Axis x+, y-
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) &&
-        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
-            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
-        {
-            playerPosition->x = locationCellX + 0.2;
-            playerPosition->z = locationCellY - 0.2;
-        }
-    }
-    
-    // Axis x+, y+
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0) &&
-        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
-            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
-        {
-            playerPosition->x = locationCellX + 0.2f;
-            playerPosition->z = locationCellY + 0.2f;
-        }
-    }
-    
-    // Single Axis ---------------------------------------------------------------------------------------------------
-    
-    // Axis x-
-    if (cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r != 0)
-    {
-        if ((playerPosition->x + 0.5f) - locationCellX < 0.3)
-        {
-            playerPosition->x = locationCellX - 0.2;
-        }
-    }
-    // Axis x+
-    if (cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r != 0)
-    {
-        if ((playerPosition->x + 0.5f) - locationCellX > 0.7)
-        {
-            playerPosition->x = locationCellX + 0.2;
-        }
-    }
-    // Axis y-
-    if (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r != 0)
-    {
-        if ((playerPosition->z + 0.5f) - locationCellY < 0.3)
-        {
-            playerPosition->z = locationCellY - 0.2;
-        }
-    }
-    // Axis y+
-    if (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r != 0)
-    {
-        if ((playerPosition->z + 0.5f) - locationCellY > 0.7)
-        {
-            playerPosition->z = locationCellY + 0.2;
-        }
-    }
-    
-    // Diagonals -------------------------------------------------------------------------------------------------------
-    
-    // Axis x-, y-
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r == 0) &&
-        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r == 0) &&
-        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX - 1)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
-            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
-        {
-            if (((playerPosition->x + 0.5f) - locationCellX) > ((playerPosition->z + 0.5f) - locationCellY)) playerPosition->x = locationCellX - 0.2;
-            else playerPosition->z = locationCellY - 0.2;
-        }
-    }
-    
-    // Axis x-, y+
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX - 1)].r == 0) &&
-        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r == 0) &&
-        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX - 1)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX < 0.3) && 
-            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
-        {
-            if (((playerPosition->x + 0.5f) - locationCellX) > (1 - ((playerPosition->z + 0.5f) - locationCellY))) playerPosition->x = locationCellX - 0.2;
-            else playerPosition->z = locationCellY + 0.2;
-        }
-    }
-    
-    // Axis x+, y-
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r == 0) &&
-        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX)].r == 0) &&
-        (cubicmap.pixels[(locationCellY - 1) * cubicmap.width + (locationCellX + 1)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
-            ((playerPosition->z + 0.5f) - locationCellY < 0.3))
-        {
-            if (((playerPosition->x + 0.5f) - locationCellX) < (1 - ((playerPosition->z + 0.5f) - locationCellY))) playerPosition->x = locationCellX + 0.2;
-            else playerPosition->z = locationCellY - 0.2;
-        }
-    }
-    
-    // Axis x+, y+
-    if ((cubicmap.pixels[locationCellY * cubicmap.width + (locationCellX + 1)].r == 0) &&
-        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX)].r == 0) &&
-        (cubicmap.pixels[(locationCellY + 1) * cubicmap.width + (locationCellX + 1)].r != 0))
-    {
-        if (((playerPosition->x + 0.5f) - locationCellX > 0.7) && 
-            ((playerPosition->z + 0.5f) - locationCellY > 0.7))
-        {
-            if (((playerPosition->x + 0.5f) - locationCellX) < ((playerPosition->z + 0.5f) - locationCellY)) playerPosition->x = locationCellX + 0.2;
-            else playerPosition->z = locationCellY + 0.2;
-        }
-    }
-}

src/raylib.h

@@ -343,6 +343,8 @@ int GetRandomValue(int min, int max);                       // Returns a random
 Color Fade(Color color, float alpha);                       // Color fade-in or fade-out, alpha goes from 0.0f to 1.0f
 
 void SetCameraMode(int mode);                               // Multiple camera modes available
+void UpdateCamera(Vector3 *playerPosition);
+
 void SetConfigFlags(char flags);                            // Enable some window configurations
 void ShowLogo(void);                                        // Activates raylib logo at startup (can be done with flags)
 
@@ -498,7 +500,7 @@ unsigned int LoadCustomShader(char *vsFileName, char *fsFileName);
 bool CheckCollisionSpheres(Vector3 centerA, float radiusA, Vector3 centerB, float radiusB);
 bool CheckCollisionBoxes(Vector3 minBBox1, Vector3 maxBBox1, Vector3 minBBox2, Vector3 maxBBox2);
 bool CheckCollisionBoxSphere(Vector3 minBBox, Vector3 maxBBox, Vector3 centerSphere, float radiusSphere);
-//void ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition);
+void f">ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition);
 
 //------------------------------------------------------------------------------------
 // Audio Loading and Playing Functions (Module: audio)