cyberarm/i-mic-rts
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Added GAME_ROOT_PATH and ASSETS_PATH constants, make boot and closing use ASSETS_PATH, simplified Camera#mouse_pick and Camera#center

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Cyberarm
2019-10-01 12:44:47 -05:00
parent a3a2e2a2ac
commit b945255849
6 changed files with 27 additions and 35 deletions
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23
lib/camera.rb
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@@ -37,25 +37,20 @@ class IMICRTS
def mouse_pick(x, y)
mouse = CyberarmEngine::Vector.new(x, y) / @zoom
normalized = (mouse / @zoom - @position / @zoom) * @zoom
normalized.x = normalized.x.floor
normalized.y = normalized.y.floor
worldspace = (mouse - @position)
worldspace.x = worldspace.x.floor
worldspace.y = worldspace.y.floor
return normalized
return worldspace
end
def center
(CyberarmEngine::Vector.new(window.width / 2, window.height / 2) / @zoom - @position / @zoom) * @zoom
(CyberarmEngine::Vector.new(window.width / 2, window.height / 2) - @position)
end
def center_around(vector, factor)
@velocity *= 0
delta = lerp(self.center, vector, factor)
@position += delta * window.dt
end
def lerp(vec1, vec2, factor)
(vec1 - vec2) * factor.clamp(0.0, 1.0)
@position += center.lerp(vector, factor) * window.dt
end
def aspect_ratio
@@ -70,7 +65,7 @@ class IMICRTS
if @drag_start
@velocity *= 0.0
@position = lerp(@position, CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y) - @drag_start, @grab_drag)
@position = @position.lerp(@drag_start - CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y), @grab_drag)
end
end
@@ -84,15 +79,13 @@ class IMICRTS
when Gosu::MS_WHEEL_DOWN
@zoom = (@zoom - 0.25).clamp(@min_zoom, @max_zoom)
when Gosu::MS_MIDDLE
@position_start = @position.clone
@drag_start = CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y)
@drag_start = CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y) - @position
end
end
def button_up(id)
case id
when Gosu::MS_MIDDLE
@position_start = nil
@drag_start = nil
end
end