b2d_shape_get_edge_point_x(id,en,pn)
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Description
Gets the x coordinate of the nth point of the nth edge of a given shape.
Note: This function is only applicate for chain or loop shapes.
Parameters
Parameter | Data Type | Description |
---|---|---|
id | integer | index of the shape |
en | integer | nth edge of the shape |
pn | integer | nth point of the edge to get the x coordinate of |
Return Values
double: Returns the x coordinate of the nth point of the nth edge of the given shape.
Example Call
// demonstrates getting the x coordinate of the second point of the third edge of a shape
px = b2d_shape_get_edge_point_x(myshape, 2, 1);