UConn Computational Geometry

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CG_Environment

Description

Handles Instatiation of objects that are to be drawn and maintains the order of execution and animation of our algorithm visualizer.

Constructor

CG_Environment(Number width, Number height)

Attributes

`Number width`	Canvas width.
`Number height`	Canvas height.
`Array things`	2D array of objects sorted by dimension.
`CG_DynamicPointSet P`	The drawing's point set.

Functions

`CG_Vertex Vertex(Number x, Number y)`	Instantiates a `CG_Vertex` with coordinates (x, y) and adds it to `things[0]`.
`CG_DynamicPointSet DynamicPointSet()`	Instantiates a `CG_DynamicPointSet` and adds it to `things[0]`.
`CG_Edge Edge(CG_Vertex u, CG_vertex v)`	Instantiates a `CG_Edge` with endpoints `u`, `v` and adds it to `things[1]`.
`CG_Polygon Polygon()`	Instantiates a `CG_Polygon` and adds it to `things[1]`.
`CG_PSLG PSLG()`	Instantiates a `CG_PSLG` and adds it to `things[1]`.
`CG_Face Face(CG_Polygon C)`	Instantiates a `CG_Face` with boundary `C` and adds it to `things[2]`.
`CG_Vertex initWalk(CG_PSLG G)`	Initializes the walk algorithm by creating a boundary outside the canvas and returning a boundary vertex.