Add raylib lua examples

2016-08-06 11:32:35 +02:00 · 2016-08-06 11:32:35 +02:00 · 00c7e54d3c
commit 00c7e54d3c
parent 5f1b4e9474
53 changed files with 4322 additions and 21 deletions
--- a/examples/shapes_logo_raylib_anim.lua
+++ b/examples/shapes_logo_raylib_anim.lua
@ -0,0 +1,127 @@
+-------------------------------------------------------------------------------------------
+--
+--  raylib [shapes] example - raylib logo animation
+--
+--  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 [shapes] example - raylib logo animation")
+
+local logoPositionX = screenWidth/2 - 128
+local logoPositionY = screenHeight/2 - 128
+
+local framesCounter = 0
+local lettersCount = 0
+
+local topSideRecWidth = 16
+local leftSideRecHeight = 16
+
+local bottomSideRecWidth = 16
+local rightSideRecHeight = 16
+
+local state = 0                -- Tracking animation states (State Machine)
+local alpha = 1.0              -- Useful for fading
+
+SetTargetFPS(60)               -- Set target frames-per-second
+-------------------------------------------------------------------------------------------
+
+-- Main game loop
+while not WindowShouldClose() do            -- Detect window close button or ESC key
+    -- Update
+    ---------------------------------------------------------------------------------------
+    if (state == 0) then                    -- State 0: Small box blinking
+        framesCounter = framesCounter + 1
+
+        if (framesCounter == 120) then
+            state = 1
+            framesCounter = 0               -- Reset counter... will be used later...
+        end
+    elseif (state == 1) then                -- State 1: Top and left bars growing
+        topSideRecWidth = topSideRecWidth + 4
+        leftSideRecHeight = leftSideRecHeight + 4
+
+        if (topSideRecWidth == 256) then state = 2 end
+    elseif (state == 2) then                -- State 2: Bottom and right bars growing
+        bottomSideRecWidth = bottomSideRecWidth + 4
+        rightSideRecHeight = rightSideRecHeight + 4
+
+        if (bottomSideRecWidth == 256) then state = 3 end
+    elseif (state == 3) then                -- State 3: Letters appearing (one by one)
+        framesCounter = framesCounter + 1
+
+        if (framesCounter//12 == 1) then    -- Every 12 frames, one more letter!
+            lettersCount = lettersCount + 1
+            framesCounter = 0
+        end
+
+        if (lettersCount >= 10) then        -- When all letters have appeared, just fade out everything
+            alpha = alpha - 0.02
+
+            if (alpha <= 0.0) then
+                alpha = 0.0
+                state = 4
+            end
+        end
+    elseif (state == 4) then                -- State 4: Reset and Replay
+        if (IsKeyPressed(KEY.R)) then
+            framesCounter = 0
+            lettersCount = 0
+
+            topSideRecWidth = 16
+            leftSideRecHeight = 16
+
+            bottomSideRecWidth = 16
+            rightSideRecHeight = 16
+
+            alpha = 1.0
+            state = 0                       -- Return to State 0
+        end
+    end
+    ---------------------------------------------------------------------------------------
+
+    -- Draw
+    ---------------------------------------------------------------------------------------
+    BeginDrawing()
+
+        ClearBackground(RAYWHITE)
+
+        if (state == 0) then
+            if ((framesCounter//15)%2 == 1) then DrawRectangle(logoPositionX, logoPositionY, 16, 16, BLACK) end
+        elseif (state == 1) then
+            DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK)
+            DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK)
+        elseif (state == 2) then
+            DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK)
+            DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK)
+
+            DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, BLACK)
+            DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, BLACK)
+        elseif (state == 3) then
+            DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, Fade(BLACK, alpha))
+            DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, Fade(BLACK, alpha))
+
+            DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, Fade(BLACK, alpha))
+            DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, Fade(BLACK, alpha))
+
+            DrawRectangle(screenWidth/2 - 112, screenHeight/2 - 112, 224, 224, Fade(RAYWHITE, alpha))
+
+            DrawText(string.sub("raylib", 0, lettersCount), screenWidth/2 - 44, screenHeight/2 + 48, 50, Fade(BLACK, alpha))
+        elseif (state == 4) then DrawText("[R] REPLAY", 340, 200, 20, GRAY) end
+
+    EndDrawing()
+    ---------------------------------------------------------------------------------------
+end
+
+-- De-Initialization
+-------------------------------------------------------------------------------------------
+CloseWindow()        -- Close window and OpenGL context
+-------------------------------------------------------------------------------------------