mirror of https://github.com/raysan5/raylib
75 lines
3.2 KiB
Lua
75 lines
3.2 KiB
Lua
-------------------------------------------------------------------------------------------
|
|
--
|
|
-- raylib [core] example - Initialize 3d camera free
|
|
--
|
|
-- This example has been created using raylib 1.6 (www.raylib.com)
|
|
-- raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
|
--
|
|
-- Copyright (c) 2014-2016 Ramon Santamaria (@raysan5)
|
|
--
|
|
--------------------------------------------------------------------------------------------
|
|
|
|
-- Initialization
|
|
----------------------------------------------------------------------------------------
|
|
local screenWidth = 800
|
|
local screenHeight = 450
|
|
|
|
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free")
|
|
|
|
-- Define the camera to look into our 3d world
|
|
local camera = {}
|
|
camera.position = Vector3(0.0, 10.0, 10.0) -- Camera position
|
|
camera.target = Vector3(0.0, 0.0, 0.0) -- Camera looking at point
|
|
camera.up = Vector3(0.0, 1.0, 0.0) -- Camera up vector (rotation towards target)
|
|
camera.fovy = 45.0 -- Camera field-of-view Y
|
|
|
|
local cubePosition = Vector3(0.0, 0.0, 0.0)
|
|
|
|
SetCameraMode(CameraMode.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
|
|
SetCameraFovy(camera.fovy) -- Set internal camera field-of-view Y
|
|
|
|
SetTargetFPS(60) -- Set our game to run at 60 frames-per-second
|
|
-------------------------------------------------------------------------------------------
|
|
|
|
-- Main game loop
|
|
while not WindowShouldClose() do -- Detect window close button or ESC key
|
|
-- Update
|
|
---------------------------------------------------------------------------------------
|
|
camera = UpdateCamera(camera) -- Update internal camera and our camera
|
|
---------------------------------------------------------------------------------------
|
|
|
|
-- Draw
|
|
---------------------------------------------------------------------------------------
|
|
BeginDrawing()
|
|
|
|
ClearBackground(RAYWHITE)
|
|
|
|
Begin3dMode(camera)
|
|
|
|
DrawCube(cubePosition, 2.0, 2.0, 2.0, RED)
|
|
DrawCubeWires(cubePosition, 2.0, 2.0, 2.0, MAROON)
|
|
|
|
DrawGrid(10, 1.0)
|
|
|
|
End3dMode()
|
|
|
|
DrawRectangle( 10, 10, 320, 133, Fade(SKYBLUE, 0.5))
|
|
DrawRectangleLines( 10, 10, 320, 133, BLUE)
|
|
|
|
DrawText("Free camera default controls:", 20, 20, 10, BLACK)
|
|
DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, DARKGRAY)
|
|
DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, DARKGRAY)
|
|
DrawText("- Alt + Mouse Wheel Pressed to Rotate", 40, 80, 10, DARKGRAY)
|
|
DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, DARKGRAY)
|
|
DrawText("- Z to zoom to (0, 0, 0)", 40, 120, 10, DARKGRAY)
|
|
|
|
EndDrawing()
|
|
---------------------------------------------------------------------------------------
|
|
end
|
|
|
|
-- De-Initialization
|
|
-------------------------------------------------------------------------------------------
|
|
CloseWindow() -- Close window and OpenGL context
|
|
------------------------------------------------------------------------------------------- |