1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# 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 Camera Module
class Quad < Ruby2D::Quad
# 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
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,
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
Window.remove(self)
end
def remove
@hide = true
end
def add
@hide = false
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
|
