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Calculate ray from eye point to projection plane

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You can go by using the built-in D3DX function D3DXVec3Unproject. It gives you world coordinates(your desired mouse position in world space) from screen coordinates(mouse position). Then simply construct your ray from world space mouse position and the eye position.

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This topic is 4200 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.

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