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Diffstat (limited to 'lib/ruby2d/camera/triangle.rb')
| -rw-r--r-- | lib/ruby2d/camera/triangle.rb | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/ruby2d/camera/triangle.rb b/lib/ruby2d/camera/triangle.rb new file mode 100644 index 0000000..cac74b8 --- /dev/null +++ b/lib/ruby2d/camera/triangle.rb @@ -0,0 +1,102 @@ +# frozen_string_literal: true + +module Ruby2D + module Camera + # Wraps existing variables as well as adding new methods + # so that it can be handled by the Ruby2D::Camera Module + class Triangle << Ruby2D::Triangle + # Recalculates real coordiantes + # Use after changing variables + def _draw + angle = Ruby2D::Camera.angle * (Math::PI / 180) + half_width = Window.width * 0.5 + half_height = Window.height * 0.5 + temp_x1 = (((x + @x1 - Ruby2D::Camera.x) * Math.cos(angle)) - ((y + @y1 - Ruby2D::Camera.y) * Math.sin(angle))) * Ruby2D::Camera.zoom + half_width + temp_y1 = (((x + @x1 - Ruby2D::Camera.x) * Math.sin(angle)) + ((y + @y1 - Ruby2D::Camera.y) * Math.cos(angle))) * Ruby2D::Camera.zoom + half_height + temp_x2 = (((x + @x2 - Ruby2D::Camera.x) * Math.cos(angle)) - ((y + @y2 - Ruby2D::Camera.y) * Math.sin(angle))) * Ruby2D::Camera.zoom + half_width + temp_y2 = (((x + @x2 - Ruby2D::Camera.x) * Math.sin(angle)) + ((y + @y2 - Ruby2D::Camera.y) * Math.cos(angle))) * Ruby2D::Camera.zoom + half_height + temp_x3 = (((x + @x3 - Ruby2D::Camera.x) * Math.cos(angle)) - ((y + @y3 - Ruby2D::Camera.y) * Math.sin(angle))) * Ruby2D::Camera.zoom + half_width + temp_y3 = (((x + @x3 - Ruby2D::Camera.x) * Math.sin(angle)) + ((y + @y3 - Ruby2D::Camera.y) * Math.cos(angle))) * Ruby2D::Camera.zoom + half_height + self.draw(x1: temp_x1, y1: temp_y1, + x2: temp_x2, y2: temp_y2, + x3: temp_x3, y3: temp_y3) + end + + def initialize(opts= {}) + #add to camera? + super(opts) + Ruby2D::Camera << self + end + + #Methods for moving the shape + def x + @x ||= 0 + end + + def x=(x) + @x = x + end + + def y + @y ||= 0 + end + + def y=(y) + @y = y + end +=begin + # Wrappers for the coordinates so that + # they are handled by the Ruby2D::Camera instead + # and for ease of programming + def x1 + @virtual_x1 ||= @x1 + end + + def x1=(x1) + @virtual_x1 = x1 + end + + def y1 + @virtual_y1 ||= @y1 + end + + def y1=(y1) + @virtual_y1 = y1 + end + + def x2 + @virtual_x2 ||= @x2 + end + + def x2=(x2) + @virtual_x2 = x2 + end + + def y2 + @virtual_y2 ||= @y2 + end + + def y2=(y2) + @virtual_y2 = y2 + end + + def x3 + @virtual_x3 ||= @x3 + end + + def x3=(x3) + @virtual_x3 = x3 + end + + def y3 + @virtual_y3 ||= @y3 + end + + def y3=(y3) + @virtual_y3 = y3 + end +=end + end + end +end + |
