Zsolt Tasnadi
7697b35336
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44 lines
1.2 KiB
Lua
44 lines
1.2 KiB
Lua
--- @section Mouse
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local _mx, _my = 0, 0
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local _mleft, _mleft_prev = false, false
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local _consumed = false
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--- Updates mouse state. Call once per frame.
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--- @within Mouse
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function Mouse.update()
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_mleft_prev = _mleft
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_consumed = false
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local mt = {mouse()}
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_mx, _my, _mleft = mt[1], mt[2], mt[3]
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end
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--- Returns current mouse X position.
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--- @within Mouse
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function Mouse.x() return _mx end
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--- Returns current mouse Y position.
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--- @within Mouse
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function Mouse.y() return _my end
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--- Returns true if the mouse button was just pressed this frame (and not yet consumed).
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--- @within Mouse
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function Mouse.clicked() return _mleft and not _mleft_prev and not _consumed end
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--- Returns true if the mouse button is held down.
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--- @within Mouse
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function Mouse.held() return _mleft end
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--- Marks the current click as consumed so Mouse.clicked() won't fire again this frame.
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--- @within Mouse
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function Mouse.consume() _consumed = true end
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--- Returns true if the mouse is within the given rectangle.
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--- @within Mouse
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--- @param x number Left edge.
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--- @param y number Top edge.
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--- @param w number Width.
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--- @param h number Height.
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function Mouse.in_rect(x, y, w, h)
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return _mx >= x and _mx < x + w and _my >= y and _my < y + h
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end
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