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  conversion from double buffer to float arrays  (Read 1349 times)
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Offline Middy

Junior Devvie

Java games rock!

« Posted 2004-07-23 09:31:36 »

well I am going to translate a pair of mouse coords to world coord.. Todo that I need todo this

            GL11.glGetDouble(GL11.GL_PROJECTION_MATRIX, projection); 
            GL11.glGetDouble(GL11.GL_MODELVIEW_MATRIX, model);
            GL11.glGetInteger(GL11.GL_VIEWPORT, viewPort);

projection,model,viewport are all doublebuffers. But since 0.9?? GLU uses arrays


So I need to convert. How do I do that the easiste way?

When do I get my makeMyGameAsILike() extension?
Offline Spasi
« Reply #1 - Posted 2004-07-23 12:09:40 »

You can use glGetFloat to get the matrices as float buffers. Then use FloatBuffer's bulk get to pass the data to float[]s.
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