feat: blend mode and align constants

Author: brettchalupa

README.md

@@ -18,6 +18,7 @@ Last tested against DragonRuby Game Toolkit v3.24.
 - `#init` method that gets run once on game boot
 - `CHEATSHEET.md` with common APIs from DRGTK and Scale
 - `#version` to get the version of your game
+- Constants for various values and enums: `FPS`, `BLEND_*`, `ALIGN_*`
 
 ## Use It
 

app/main.rb

@@ -1,5 +1,14 @@
+FPS = 60
 TRUE_BLACK = { r: 0, g: 0, b: 0 }
 WHITE = { r: 255, g: 255, b: 255 }
+ALIGN_LEFT = 0
+ALIGN_CENTER = 1
+ALIGN_RIGHT = 2
+BLEND_NONE = 0
+BLEND_ALPHA = 1
+BLEND_ADDITIVE = 2
+BLEND_MODULO = 3
+BLEND_MULTIPLY = 4
 
 # Access in code with `SPATHS[:my_sprite]`
 # Replace with your sprites!