D3DTRIFLAG_ Values

Package com.ms.com.directX

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Edge flags
D3DTRIFLAG_EDGEENABLE1: Edge defined by v1–v2.
D3DTRIFLAG_EDGEENABLE2: Edge defined by v2–v3.
D3DTRIFLAG_EDGEENABLE3: Edge defined by v3–v1.
D3DTRIFLAG_EDGEENABLETRIANGLE: All edges.
Strip and fan flags
D3DTRIFLAG_EVEN: The v1–v2 edge of the current triangle is adjacent to the v3–v1 edge of the previous triangle; that is, v1 is the previous v1, and v2 is the previous v3.
D3DTRIFLAG_ODD: The v1–v2 edge of the current triangle is adjacent to the v2–v3 edge of the previous triangle; that is, v1 is the previous v3, and v2 is the previous v2.
D3DTRIFLAG_START: Begin the strip or fan, loading all three vertices.
D3DTRIFLAG_STARTFLAT(len): If this triangle is culled, also cull the specified number of subsequent triangles. This length must be greater than zero and less than 30.