diff --git a/examples/core_3d_camera_free.rs b/examples/core_3d_camera_free.rs new file mode 100644 index 0000000..c1d95b3 --- /dev/null +++ b/examples/core_3d_camera_free.rs @@ -0,0 +1,67 @@ +use raylib_ffi::*; + +pub fn main() { + unsafe { + // Create a window + InitWindow(800, 450, rl_str!("raylib-ffi example - basic window")); + + // Define the camera to look into our 3d world (position, target, up vector) + let mut camera = Camera{ + position: Vector3{ x: 10.0, y: 10.0, z: 10.0 }, // Camera position + target: Vector3{ x: 0.0, y: 0.0, z: 0.0 }, // Camera looking at point + up: Vector3{ x: 0.0, y: 1.0, z: 0.0 }, // Camera up vector (rotation towards target) + fovy: 45.0, // Camera field-of-view Y + projection: enums::CameraProjection::Perspective as i32 // Camera projection type + }; + + let cube_position = Vector3{ x: 0.0, y: 0.0, z: 0.0 }; + + DisableCursor(); // Limit cursor to relative movement inside the window + + SetTargetFPS(60); // Set our game to run at 60 frames-per-second + + while !(WindowShouldClose()) { // Detect window close button or ESC key + + // Update + //---------------------------------------------------------------------------------- + UpdateCamera(&mut camera, enums::CameraMode::Free as i32); + + if IsKeyPressed(enums::KeyboardKey::Z as i32) { + camera.target = Vector3{ x: 0.0, y: 0.0, z: 0.0 }; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(colors::WHITE); + + BeginMode3D(camera); + + DrawCube(cube_position, 2.0, 2.0, 2.0, colors::RED); + DrawCubeWires(cube_position, 2.0, 2.0, 2.0, colors::MAROON); + DrawGrid(10, 1.0); + + EndMode3D(); + + DrawRectangle( 10, 10, 320, 133, Fade(colors::SKYBLUE, 0.5)); + DrawRectangleLines( 10, 10, 320, 133, colors::BLUE); + + DrawText(rl_str!("Free camera default controls:"), 20, 20, 10, colors::BLACK); + DrawText(rl_str!("- Mouse Wheel to Zoom in-out"), 40, 40, 10, colors::DARKGRAY); + DrawText(rl_str!("- Mouse Wheel Pressed to Pan"), 40, 60, 10, colors::DARKGRAY); + DrawText(rl_str!("- Alt + Mouse Wheel Pressed to Rotate"), 40, 80, 10, colors::DARKGRAY); + DrawText(rl_str!("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom"), 40, 100, 10, colors::DARKGRAY); + DrawText(rl_str!("- Z to zoom to (0, 0, 0)"), 40, 120, 10, colors::DARKGRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); + //-------------------------------------------------------------------------------------- + } +}