diff options
Diffstat (limited to 'lib/ruby2d/camera/square.rb')
| -rw-r--r-- | lib/ruby2d/camera/square.rb | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/lib/ruby2d/camera/square.rb b/lib/ruby2d/camera/square.rb index d013e56..584af03 100644 --- a/lib/ruby2d/camera/square.rb +++ b/lib/ruby2d/camera/square.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -class Ruby2D +module Ruby2D module Camera # Wraps existing variables as well as adding new methods # so that it can be handled by the Camera Module @@ -8,17 +8,18 @@ class Ruby2D # Recalculates real coordiantes # Use after changing variables def _draw + return if @hide angle = Camera.angle * (Math::PI / 180) half_width = Window.width * 0.5 half_height = Window.height * 0.5 - @x1 = (((x + x1 - Camera.x) * Math.cos(angle)) - ((y + y1 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width - @y1 = (((x + x1 - Camera.x) * Math.sin(angle)) + ((y + y1 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height - @x2 = (((x + x2 - Camera.x) * Math.cos(angle)) - ((y + y2 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width - @y2 = (((x + x2 - Camera.x) * Math.sin(angle)) + ((y + y2 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height - @x3 = (((x + x3 - Camera.x) * Math.cos(angle)) - ((y + y3 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width - @y3 = (((x + x3 - Camera.x) * Math.sin(angle)) + ((y + y3 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height - @x4 = (((x + x4 - Camera.x) * Math.cos(angle)) - ((y + y4 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width - @y4 = (((x + x4 - Camera.x) * Math.sin(angle)) + ((y + y4 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height + temp_x1 = (((x + x1 - Camera.x) * Math.cos(angle)) - ((y + y1 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width + temp_y1 = (((x + x1 - Camera.x) * Math.sin(angle)) + ((y + y1 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height + temp_x2 = (((x + x2 - Camera.x) * Math.cos(angle)) - ((y + y2 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width + temp_y2 = (((x + x2 - Camera.x) * Math.sin(angle)) + ((y + y2 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height + temp_x3 = (((x + x3 - Camera.x) * Math.cos(angle)) - ((y + y3 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width + temp_y3 = (((x + x3 - Camera.x) * Math.sin(angle)) + ((y + y3 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height + temp_x4 = (((x + x4 - Camera.x) * Math.cos(angle)) - ((y + y4 - Camera.y) * Math.sin(angle))) * Camera.zoom + half_width + temp_y4 = (((x + x4 - Camera.x) * Math.sin(angle)) + ((y + y4 - Camera.y) * Math.cos(angle))) * Camera.zoom + half_height Ruby2D::Quad.draw(x1: temp_x1, y1: temp_y1, x2: temp_x2, y2: temp_y2, x3: temp_x3, y3: temp_y3, @@ -36,9 +37,24 @@ class Ruby2D def initialize(opts= {}) super(opts) Ruby2D::Camera << self - self.remove + Window.remove(self) + @x1 -= @x + @x2 -= @x + @x3 -= @x + @x4 -= @x + @y1 -= @y + @y2 -= @y + @y3 -= @y + @y4 -= @y end + def remove + @hide = true + end + + def add + @hide = false + end #Methods for moving the shape def x @x ||= 0 |