Updates some examples

examples/core_3d_camera_first_person.c

@@ -0,0 +1,91 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - 3d camera first person
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define MAX_COLUMNS 20
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera first person");
+    
+    // Define the camera to look into our 3d world
+    Camera camera = {{ 0.0, 10.0, 10.0 }, { 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }};
+
+    // Generates some random columns
+    float heights[MAX_COLUMNS];
+    Vector3 positions[MAX_COLUMNS] = { 0.0, 2.5, 0.0 };
+    Color colors[MAX_COLUMNS];
+    
+    for (int i = 0; i < MAX_COLUMNS; i++)
+    {
+        heights[i] = (float)GetRandomValue(1, 12);
+        positions[i] = (Vector3){ GetRandomValue(-15, 15), heights[i]/2, GetRandomValue(-15, 15) };
+        colors[i] = (Color){ GetRandomValue(20, 255), GetRandomValue(10, 55), 30, 255 };
+    }
+    
+    Vector3 playerPosition = { 4, 2, 4 };       // Define player position
+    
+    SetCameraMode(CAMERA_FIRST_PERSON);         // Set a first person camera mode
+
+    SetTargetFPS(60);                           // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())                // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCameraPlayer(&camera, &playerPosition); // Update camera and player position
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            Begin3dMode(camera);
+
+                DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 32, 32 }, LIGHTGRAY); // Draw ground
+                DrawCube((Vector3){ -16, 2.5, 0 }, 1, 5, 32, BLUE);     // Draw a blue wall
+                DrawCube((Vector3){ 16, 2.5, 0 }, 1, 5, 32, LIME);      // Draw a green wall
+                DrawCube((Vector3){ 0, 2.5, 16 }, 32, 5, 1, GOLD);      // Draw a yellow wall
+            
+                // Draw some cubes around
+                for (int i = 0; i < MAX_COLUMNS; i++)
+                {
+                    DrawCube(positions[i], 2, heights[i], 2, colors[i]);
+                    DrawCubeWires(positions[i], 2, heights[i], 2, MAROON);
+                }
+
+            End3dMode();
+
+            DrawText("First person camera default controls:", 20, 20, 10, GRAY);
+            DrawText("- Move with keys: W, A, S, D", 40, 50, 10, DARKGRAY);
+            DrawText("- Mouse move to lokk around", 40, 70, 10, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------   
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}