113 lines
2.3 KiB
Lua
113 lines
2.3 KiB
Lua
Vector2 = {}
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Vector2.meta = {
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__index = Vector2,
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__tostring = function( v )
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return "{"..tostring( v.x )..", "..tostring( v.y ).."}"
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end,
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__add = function( v1, v2 )
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return Vector2:new( v1.x + v2.x, v1.y + v2.y )
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end,
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__sub = function( v1, v2 )
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return Vector2:new( v1.x - v2.x, v1.y - v2.y )
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end,
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__mul = function( v1, v2 )
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return Vector2:new( v1.x * v2.x, v1.y * v2.y )
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end,
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__div = function( v1, v2 )
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return Vector2:new( v1.x / v2.x, v1.y / v2.y )
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end,
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__mod = function( v, value )
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return Vector2:new( math.fmod( v.x, value ), math.fmod( v.y, value ) )
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end,
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__pow = function( v, value )
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return Vector2:new( v.x ^ value, v.y ^ value )
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end,
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__unm = function( v )
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return Vector2:new( -v.x, -v.y )
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end,
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__idiv = function( v, value )
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return Vector2:new( v.x // value, v.y // value )
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end,
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__len = function( v )
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local len = 0
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for _, _ in pairs( v ) do
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len = len + 1
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end
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return len
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end,
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__eq = function( v1, v2 )
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return v1.x == v2.x and v1.y == v2.y
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end,
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}
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function Vector2:new( x, y )
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local o = {
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x = x,
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y = y,
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}
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setmetatable( o, Vector2.meta )
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return o
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end
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function Vector2:set( vec )
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self.x = vec[1]
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self.y = vec[2]
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end
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function Vector2:arr()
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return { self.x, self.y }
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end
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function Vector2:clone()
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return Vector2:new( self.x, self.y )
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end
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function Vector2:abs()
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return Vector2:new( math.abs( self.x ), math.abs( self.y ) )
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end
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function Vector2:length()
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return RL_Vector2Length( self:arr() )
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end
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function Vector2:dot( v2 )
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return RL_Vector2DotProduct( self:arr(), v2:arr() )
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end
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function Vector2:distance( v2 )
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return RL_Vector2Distance( self:arr(), v2:arr() )
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end
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function Vector2:angle( v2 )
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return RL_Vector2Angle( self:arr(), v2:arr() )
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end
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function Vector2:normalize()
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local r = RL_Vector2Normalize( self:arr() )
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return Vector2:new( r[1], r[2] )
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end
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function Vector2:lerp( v2, value )
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local r = RL_Vector2Lerp( self:arr(), v2:arr(), value )
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return Vector2:new( r[1], r[2] )
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end
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function Vector2:reflect( normal )
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local r = RL_Vector2Reflect( self:arr(), normal:arr() )
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return Vector2:new( r[1], r[2] )
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end
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function Vector2:rotate( angle )
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local r = RL_Vector2Rotate( self:arr(), angle )
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return Vector2:new( r[1], r[2] )
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end
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function Vector2:moveTowards( target, maxDistance )
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local r = RL_Vector2MoveTowards( self:arr(), target:arr(), maxDistance )
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return Vector2:new( r[1], r[2] )
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end
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return Vector2
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