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Diffstat (limited to 'examples')
| -rw-r--r-- | examples/core_world_screen.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/examples/core_world_screen.c b/examples/core_world_screen.c new file mode 100644 index 00000000..eac5fbdc --- /dev/null +++ b/examples/core_world_screen.c @@ -0,0 +1,77 @@ +/******************************************************************************************* +* +* raylib [core] example - World to screen +* +* 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" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free"); + + // 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 }}; + + Vector3 cubePosition = { 0.0, 0.0, 0.0 }; + + Vector2 cubeScreenPosition; + + SetCameraMode(CAMERA_FREE); // Set a free camera mode + SetCameraPosition(camera.position); // Set internal camera position to match our camera position + SetCameraTarget(camera.target); // Set internal camera target to match our camera target + + 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 + //---------------------------------------------------------------------------------- + UpdateCamera(&camera); // Update internal camera and our camera + + // Calculate cube screen space position (with a little offset to be in top) + cubeScreenPosition = WorldToScreen((Vector3){cubePosition.x, cubePosition.y + 2.5f, cubePosition.z}, camera); + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + Begin3dMode(camera); + + DrawCube(cubePosition, 2, 2, 2, RED); + DrawCubeWires(cubePosition, 2, 2, 2, MAROON); + + DrawGrid(10.0, 1.0); + + End3dMode(); + + DrawText("Enemy: 100 / 100", cubeScreenPosition.x - MeasureText("Enemy: 100 / 100", 20) / 2, cubeScreenPosition.y, 20, BLACK); + DrawText("Text is always on top of the cube", (screenWidth - MeasureText("Text is always on top of the cube", 20)) / 2, 25, 20, GRAY); + + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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