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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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19
lib/map.rb
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@@ -32,19 +32,24 @@ class IMICRTS
def visible_tiles(camera)
_tiles = []
top_left = camera.center - CyberarmEngine::Vector.new($window.width / 2, $window.height / 2) / camera.zoom
top_left.x = top_left.x.ceil
top_left.y = top_left.y.ceil
top_left = (camera.center - camera.position) - CyberarmEngine::Vector.new($window.width / 2, $window.height / 2) / camera.zoom
top_left /= @tile_size
top_left.x = top_left.x.floor
top_left.y = top_left.y.floor
# +1 to overdraw a bit to hide pop-in
_width = ($window.width / @tile_size) + 1
_height = ($window.height / @tile_size) + 1
_width = ((($window.width / @tile_size) + 2) / camera.zoom).ceil
_height = ((($window.height / @tile_size) + 2) / camera.zoom).ceil
_height.times do |y|
_width.times do |x|
if tile = tile_at(x + top_left.x, y + top_left.y)
_x, _y = x + top_left.x, y + top_left.y
next if _x < 0 || _x > @width
next if _y < 0 || _y > @height
if tile = tile_at(_x, _y)
_tiles.push(tile)
end
end