WindowShouldClose and custom main loop example.

1 files changed, 52 insertions, 0 deletions

diff --git a/examples/custom_main_loop/main.lua b/examples/custom_main_loop/main.lua
new file mode 100644
index 0000000..952496c
--- /dev/null
+++ b/examples/custom_main_loop/main.lua
@@ -0,0 +1,52 @@
+package.path = package.path..";"..RL.GetBasePath().."../resources/lib/?.lua"
+
+Vector2 = require( "vector2" )
+
+local function dysfunctionalPrint( message )
+	printt( message )
+end
+
+local function main()
+	RL.SetConfigFlags( RL.FLAG_VSYNC_HINT )
+	RL.InitWindow( { 800, 600 }, "Custom Main Loop" )
+
+	local catTex = RL.LoadTexture( RL.GetBasePath().."../resources/images/cat.png" )
+	local catPos = Vector2:new( 20, 20 )
+	local catSpeed = 200
+
+	while not RL.WindowShouldClose() do
+		local delta = RL.GetFrameTime()
+		local vel = Vector2:new()
+
+		if RL.IsKeyDown( RL.KEY_RIGHT ) then
+			vel.x = catSpeed * delta
+		elseif RL.IsKeyDown( RL.KEY_LEFT ) then
+			vel.x = -catSpeed * delta
+		end
+		if RL.IsKeyDown( RL.KEY_DOWN ) then
+			vel.y = catSpeed * delta
+		elseif RL.IsKeyDown( RL.KEY_UP ) then
+			vel.y = -catSpeed * delta
+		end
+
+		if RL.IsKeyPressed( RL.KEY_ENTER ) then
+			dysfunctionalPrint( "This will fail and give usefull traceback info" )
+		end
+
+		catPos:addEq( vel )
+
+		RL.BeginDrawing()
+			RL.ClearBackground( RL.LIGHTGRAY )
+			RL.DrawTexture( catTex, catPos, RL.WHITE )
+			RL.DrawFPS( { 10, 10 } )
+		RL.EndDrawing()
+	end
+end
+
+-- Call main to get traceback info.
+local success, result = xpcall( main, debug.traceback )
+
+if not success then
+	RL.TraceLog( RL.LOG_WARNING, "Error: "..result )
+	RL.CloseWindow()
+end