class DXOpal::Sprite::CollisionArea::Point

Public Class Methods

new(sprite, x, y) click to toggle source
Calls superclass method
# File lib/dxopal/sprite/collision_area.rb, line 89
def initialize(sprite, x, y)
  @sprite, @x, @y = sprite, x, y
  super()
end

Public Instance Methods

absolute_pos() click to toggle source

Return [x, y]

# File lib/dxopal/sprite/collision_area.rb, line 117
def absolute_pos
  absolute1([@x, @y])
end
collides?(other) click to toggle source
# File lib/dxopal/sprite/collision_area.rb, line 96
def collides?(other)
  case other.type
  when :Point
    self.absolute_pos == other.absolute_pos
  when :Circle
    x, y = *transback1(self.absolute_pos, other.sprite)
    cx, cy = *other.absolute_norot_pos
    `Opal.DXOpal.CCk.check_point_circle(x, y, cx, cy, #{other.r})`
  when :Rect
    x, y = *transback1(self.absolute_pos, other.sprite)
    ((x1, y1), (x2, y2)) = *other.absolute_norot_poss
    `Opal.DXOpal.CCk.check_point_straight_rect(x, y, x1, y1, x2, y2)`
  when :Triangle
    x, y = *absolute_pos
    (x1, y1), (x2, y2), (x3, y3) = *other.absolute_poss
    `Opal.DXOpal.CCk.check_point_triangle(x, y, x1, y1, x2, y2, x3, y3)`
  else raise
  end
end
type() click to toggle source
# File lib/dxopal/sprite/collision_area.rb, line 94
def type; :Point; end