diff options
Diffstat (limited to 'lib/ruby2d/camera')
| -rw-r--r-- | lib/ruby2d/camera/square.rb | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/ruby2d/camera/square.rb b/lib/ruby2d/camera/square.rb new file mode 100644 index 0000000..d013e56 --- /dev/null +++ b/lib/ruby2d/camera/square.rb @@ -0,0 +1,62 @@ +# frozen_string_literal: true + +class Ruby2D + module Camera + # Wraps existing variables as well as adding new methods + # so that it can be handled by the Camera Module + class Square < Ruby2D::Square + # Recalculates real coordiantes + # Use after changing variables + def _draw + 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 + Ruby2D::Quad.draw(x1: temp_x1, y1: temp_y1, + x2: temp_x2, y2: temp_y2, + x3: temp_x3, y3: temp_y3, + x4: temp_x4, y4: temp_y4, + color: [ + [self.c1.r, self.c1.g, self.c1.b, self.c1.a], + [self.c2.r, self.c2.g, self.c2.b, self.c2.a], + [self.c3.r, self.c3.g, self.c3.b, self.c3.a], + [self.c4.r, self.c4.g, self.c4.b, self.c4.a] + ], + z: self.z + ) + end + + def initialize(opts= {}) + super(opts) + Ruby2D::Camera << self + self.remove + 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 + + end + end +end + |
