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Diffstat (limited to 'src/demos/es1/cubefbo/CubeObject.java')
-rwxr-xr-x | src/demos/es1/cubefbo/CubeObject.java | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/src/demos/es1/cubefbo/CubeObject.java b/src/demos/es1/cubefbo/CubeObject.java new file mode 100755 index 0000000..8eb9c7f --- /dev/null +++ b/src/demos/es1/cubefbo/CubeObject.java @@ -0,0 +1,250 @@ +/* + * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + */ + +package demos.es1.cubefbo; + +import javax.media.opengl.*; +import com.sun.opengl.util.*; +import java.nio.*; + +class CubeObject { + public CubeObject (boolean useTexCoords) { + // Initialize data Buffers + this.cubeVertices = BufferUtil.newShortBuffer(s_cubeVertices.length); + cubeVertices.put(s_cubeVertices); + cubeVertices.rewind(); + + this.cubeColors = BufferUtil.newByteBuffer(s_cubeColors.length); + cubeColors.put(s_cubeColors); + cubeColors.rewind(); + + this.cubeNormals = BufferUtil.newByteBuffer(s_cubeNormals.length); + cubeNormals.put(s_cubeNormals); + cubeNormals.rewind(); + + this.cubeIndices = BufferUtil.newByteBuffer(s_cubeIndices.length); + cubeIndices.put(s_cubeIndices); + cubeIndices.rewind(); + + if (useTexCoords) { + this.cubeTexCoords = BufferUtil.newShortBuffer(s_cubeTexCoords.length); + cubeTexCoords.put(s_cubeTexCoords); + cubeTexCoords.rewind(); + } + } + + private void perspective(GL gl, float fovy, float aspect, float zNear, float zFar) { + float xmin; + float xmax; + float ymin; + float ymax; + + ymax = zNear * (float)Math.tan((fovy * Math.PI) / 360.0); + ymin = -ymax; + xmin = ymin * aspect; + xmax = ymax * aspect; + + gl.glFrustumf(xmin, xmax, ymin, ymax, zNear, zFar); + } + + static final float[] light_position = { -50.f, 50.f, 50.f, 0.f }; + static final float[] light_ambient = { 0.125f, 0.125f, 0.125f, 1.f }; + static final float[] light_diffuse = { 1.0f, 1.0f, 1.0f, 1.f }; + static final float[] material_spec = { 1.0f, 1.0f, 1.0f, 0.f }; + static final float[] zero_vec4 = { 0.0f, 0.0f, 0.0f, 0.f }; + + public void reshape(GL gl, int x, int y, int width, int height) { + float aspect = (height != 0) ? ((float)width / (float)height) : 1.0f; + + gl.glViewport(0, 0, width, height); + gl.glScissor(0, 0, width, height); + + gl.glMatrixMode(GL.GL_MODELVIEW); + gl.glLoadIdentity(); + + gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, light_position, 0); + gl.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, light_ambient, 0); + gl.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, light_diffuse, 0); + gl.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, zero_vec4, 0); + gl.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_SPECULAR, material_spec, 0); + + gl.glEnable(GL.GL_NORMALIZE); + gl.glEnable(GL.GL_LIGHTING); + gl.glEnable(GL.GL_LIGHT0); + gl.glEnable(GL.GL_COLOR_MATERIAL); + gl.glEnable(GL.GL_CULL_FACE); + + gl.glHint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_FASTEST); + + gl.glShadeModel(GL.GL_SMOOTH); + gl.glDisable(GL.GL_DITHER); + + gl.glClearColor(0.0f, 0.1f, 0.0f, 1.0f); + + gl.glEnableClientState(GL.GL_VERTEX_ARRAY); + gl.glEnableClientState(GL.GL_NORMAL_ARRAY); + gl.glEnableClientState(GL.GL_COLOR_ARRAY); + if (cubeTexCoords != null) { + gl.glEnableClientState(GL.GL_TEXTURE_COORD_ARRAY); + } else { + gl.glDisableClientState(GL.GL_TEXTURE_COORD_ARRAY); + } + + gl.glMatrixMode(GL.GL_PROJECTION); + gl.glLoadIdentity(); + + float fovy = 55.f; + if (aspect < 1) { + // Compute this as fovx instead + float fovx = fovy; + fovy = (float) Math.toDegrees(Math.atan(Math.tan(Math.toRadians(fovx)) / aspect)); + } + + perspective(gl, fovy, aspect, 0.1f, 100.f); + gl.glCullFace(GL.GL_BACK); + } + + public void display(GL gl, float xRot, float yRot) { + // System.out.println("CubeObject .. p1: "+this); + gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + + gl.glMatrixMode(GL.GL_MODELVIEW); + gl.glLoadIdentity(); + + gl.glTranslatef(0.f, 0.f, -30.f); + // gl.glTranslatef(0.f, 0.f, -30.f); + // gl.glRotatef((float)(time * 29.77f), 1.0f, 2.0f, 0.0f); + // gl.glRotatef((float)(time * 22.311f), -0.1f, 0.0f, -5.0f); + gl.glRotatef(yRot, 0, 1, 0); + gl.glRotatef(xRot, 1, 0, 0); + + gl.glVertexPointer(3, GL.GL_SHORT, 0, cubeVertices); + gl.glColorPointer(4, GL.GL_UNSIGNED_BYTE, 0, cubeColors); + gl.glNormalPointer(GL.GL_BYTE, 0, cubeNormals); + if (cubeTexCoords != null) { + gl.glTexCoordPointer(2, GL.GL_SHORT, 0, cubeTexCoords); + gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE); + } + + // System.out.println("CubeObject .. p8: "+this); + gl.glDrawElements(GL.GL_TRIANGLES, 6 * 6, GL.GL_UNSIGNED_BYTE, cubeIndices); + // System.out.println("CubeObject .. p9: "+this); + + // time += 0.01f; + } + + boolean initialized = false; + // float time = 0.0f; + + ShortBuffer cubeVertices; + ShortBuffer cubeTexCoords; + ByteBuffer cubeColors; + ByteBuffer cubeNormals; + ByteBuffer cubeIndices; + + private static final short[] s_cubeVertices = + { + -10, 10, 10, 10, -10, 10, 10, 10, 10, -10, -10, 10, + + -10, 10, -10, 10, -10, -10, 10, 10, -10, -10, -10, -10, + + -10, -10, 10, 10, -10, -10, 10, -10, 10, -10, -10, -10, + + -10, 10, 10, 10, 10, -10, 10, 10, 10, -10, 10, -10, + + 10, -10, 10, 10, 10, -10, 10, 10, 10, 10, -10, -10, + + -10, -10, 10, -10, 10, -10, -10, 10, 10, -10, -10, -10 + }; + + private static final short[] s_cubeTexCoords = + { + 0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0, + + 0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0, + + 0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0, + + 0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0, + + 0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0, + + 0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0, + }; + + private static final byte[] s_cubeColors = + { + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255, + (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255 + }; + + private static final byte[] s_cubeIndices = + { + 0, 3, 1, 2, 0, 1, /* front */ + 6, 5, 4, 5, 7, 4, /* back */ + 8, 11, 9, 10, 8, 9, /* top */ + 15, 12, 13, 12, 14, 13, /* bottom */ + 16, 19, 17, 18, 16, 17, /* right */ + 23, 20, 21, 20, 22, 21 /* left */ + }; + private static final byte[] s_cubeNormals = + { + 0, 0, 127, 0, 0, 127, 0, 0, 127, 0, 0, 127, + + 0, 0, -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, + + 0, -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, 0, + + 0, 127, 0, 0, 127, 0, 0, 127, 0, 0, 127, 0, + + 127, 0, 0, 127, 0, 0, 127, 0, 0, 127, 0, 0, + + -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, 0, 0 + }; +} + |