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POTry to add VBO in Slick2D
 

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  1. POTry to add VBO in Slick2D
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    <p>I'm trying to add VBO in slick2D. All I find on the web is how to initialize VBO in a 3D context. Anyone knows how to do it in 2D ?</p> <p>My actual test (make 4 square in slick context) make this (i add corrds in black) : <a href="http://tof.canardpc.com/view/1594ca1b-645c-4736-99e6-0507a0b3777a.jpg" rel="nofollow noreferrer">vbo in slick2D http://tof.canardpc.com/view/1594ca1b-645c-4736-99e6-0507a0b3777a.jpg</a>.</p> <p>Below my init (in the init method of my GameState) :</p> <pre><code>// set up OpenGL GL11.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); GL11.glEnableClientState(GL11.GL_VERTEX_ARRAY); GL11.glEnableClientState(GL11.GL_COLOR_ARRAY); GL11.glMaterial(GL11.GL_FRONT, GL11.GL_SPECULAR, floatBuffer(1.0f, 1.0f, 1.0f, 1.0f)); GL11.glMaterialf(GL11.GL_FRONT, GL11.GL_SHININESS, 25.0f); // set up the camera GL11.glMatrixMode(GL11.GL_PROJECTION); GL11.glLoadIdentity(); GL11.glMatrixMode(GL11.GL_MODELVIEW); GL11.glLoadIdentity(); // create our vertex buffer objects IntBuffer buffer = BufferUtils.createIntBuffer(1); GL15.glGenBuffers(buffer); int vertex_buffer_id = buffer.get(0); FloatBuffer vertex_buffer_data = BufferUtils.createFloatBuffer(vertex_data_array.length); vertex_buffer_data.put(vertex_data_array); vertex_buffer_data.rewind(); GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertex_buffer_id); GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertex_buffer_data, GL15.GL_STATIC_DRAW); </code></pre> <p>And the render (in the render method of game state) :</p> <pre><code>g.setDrawMode(Graphics.MODE_ALPHA_BLEND) ; // perform rotation transformations GL11.glPushMatrix(); // render the cube GL11.glVertexPointer(3, GL11.GL_FLOAT, 28, 0); GL11.glColorPointer(4, GL11.GL_FLOAT, 28, 12); GL11.glDrawArrays(GL11.GL_QUADS, 0, vertex_data_array.length / 7); // restore the matrix to pre-transformation values GL11.glPopMatrix(); </code></pre> <p>I think something wrong because all other render disappear (text and sprites) and coords are not window size anymore.</p> <p>edit : I try something like this <code>GL11.glOrtho(0,800,600,0,-1,1);</code> with strange result</p> <p>Thanks</p>
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    1. USCyril ALFARO
    1. USCyril ALFARO
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
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      1. PTAnswer
    1. This table or related slice is empty.
    1. This table or related slice is empty.
 

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