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Camera#pick almost works, fixed Map tile exclusion

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Cyberarm
2019-10-07 12:30:17 -05:00
parent cc93b5993d
commit 5d8712946d
3 changed files with 27 additions and 13 deletions
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15
lib/camera.rb
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@@ -20,7 +20,6 @@ class IMICRTS
def draw(&block)
if block
Gosu.clip_to(@viewport.min.x, @viewport.min.y, @viewport.max.x, @viewport.max.y) do
center_point = center
Gosu.transform(*worldspace.elements) do
block.call
end
@@ -39,7 +38,13 @@ class IMICRTS
end
def pick(vector)
inverse = (vector - @position) / @zoom
neg_center = CyberarmEngine::Vector.new(-center.x, -center.y)
scaled_position = ((vector - (@position)) / @zoom)
scaled_translation = (neg_center / @zoom + center)
# TODO: Fix error caused when @position != 0
inverse = (scaled_position + scaled_translation)
inverse.x = inverse.x.floor
inverse.y = inverse.y.floor
@@ -47,7 +52,7 @@ class IMICRTS
end
def center
(CyberarmEngine::Vector.new(window.width / 2, window.height / 2) - @position)
CyberarmEngine::Vector.new(window.width / 2, window.height / 2)
end
def center_around(vector, factor)
@@ -57,9 +62,9 @@ class IMICRTS
def worldspace
zoom_vector = CyberarmEngine::Vector.new(@zoom, @zoom)
position_matrix = CyberarmEngine::Matrix.translate(@position)
position_matrix = CyberarmEngine::Transform.translate(@position)
CyberarmEngine::Matrix.concat(CyberarmEngine::Matrix.scale(zoom_vector, center), position_matrix)
CyberarmEngine::Transform.concat(CyberarmEngine::Transform.scale(zoom_vector, center - @position), position_matrix)
end
def visible?(object)