Re: Using multiple models in a scene
Posted by ted_gress on Jun 22, 2018; 6:37pm
URL: https://forum.jogamp.org/Using-multiple-models-in-a-scene-tp4038956p4038959.html
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.ShortBuffer;
import com.jogamp.common.nio.Buffers;
import com.jogamp.nativewindow.NativeWindowFactory;
import com.jogamp.newt.Display;
import com.jogamp.newt.NewtFactory;
import com.jogamp.newt.Screen;
import com.jogamp.newt.Window;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.opengl.FPSCounter;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES1;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLPipelineFactory;
import com.jogamp.opengl.glu.GLU;
import com.jogamp.opengl.util.glsl.fixedfunc.FixedFuncUtil;
import com.jogamp.opengl.util.glsl.fixedfunc.ShaderSelectionMode;
public class Renderer implements GLEventListener{
int maxvbonumbers = 20;
int[] vboNames = new int[maxvbonumbers];
boolean innerCube;
boolean initialized = false;
float time = 0.0f;
static int bufferCount = 0;
static int maxBuffers = 10;
ShortBuffer [] cubeVertices = new ShortBuffer[maxBuffers];
ShortBuffer [] cubeTexCoords = new ShortBuffer[maxBuffers];
FloatBuffer [] cubeColors = new FloatBuffer[maxBuffers];
ByteBuffer [] cubeNormals = new ByteBuffer[maxBuffers];
ByteBuffer [] cubeIndices = new ByteBuffer[maxBuffers];
private GLU glu;
public boolean glDebug = false;
public boolean glTrace = false;
boolean quit = false;
static float[] light_position = { -50.f, 50.f, 50.f, 0.f };
static float[] light_ambient = { 0.125f, 0.125f, 0.125f, 1.f };
static float[] light_diffuse = { 1.0f, 1.0f, 1.0f, 1.f };
static float[] material_spec = { 1.0f, 1.0f, 1.0f, 0.f };
static float[] zero_vec4 = { 0.0f, 0.0f, 0.0f, 0.f };
// private static short[] s_cubeVertices = null;
//
//
// private static short[] s_cubeTexCoords = null;
//
//
//
// private static float[] s_cubeColors = null;
//
//
//
// private static byte[] s_cubeIndices= null;
//
// private static byte[] s_cubeNormals = null;
//
static GL2ES1 gl = null;
static float aspect;
public void pushData(CubeObject cubeObject, CubeObject2 cubeObject2)
{
if(!innerCube) {
System.err.println("Entering initialization");
System.err.println("GL Profile: "+gl.getGLProfile());
System.err.println("GL:" + gl);
System.err.println("GL_VERSION=" + gl.glGetString(gl.GL_VERSION));
System.err.println("GL_EXTENSIONS:");
System.err.println(" " + gl.glGetString(gl.GL_EXTENSIONS));
System.err.println("GLF:" + gl);
light_position = cubeObject.light_position;
light_ambient = cubeObject.light_ambient;
light_diffuse = cubeObject.light_diffuse;
material_spec = cubeObject.material_spec;
zero_vec4 = cubeObject.zero_vec4;
cubeVertices[bufferCount] = cubeObject.cubeVertices;
cubeTexCoords[bufferCount] = cubeObject.cubeTexCoords;
cubeColors[bufferCount] = cubeObject.cubeColors;
cubeNormals[bufferCount] = cubeObject.cubeNormals;
cubeIndices[bufferCount] =cubeObject.cubeIndices;
bufferCount++;
cubeVertices[bufferCount] = cubeObject2.cubeVertices;
cubeTexCoords[bufferCount] = cubeObject2.cubeTexCoords;
cubeColors[bufferCount] = cubeObject2.cubeColors;
cubeNormals[bufferCount] = cubeObject2.cubeNormals;
cubeIndices[bufferCount] =cubeObject2.cubeIndices;
bufferCount++;
}
}
//bind data
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
aspect = (height != 0) ? ((float)width / (float)height) : 1.0f;
gl = drawable.getGL().getGL2ES1();
gl.glViewport(0, 0, width, height);
gl.glMatrixMode(gl.GL_MODELVIEW);
gl.glLoadIdentity();
// JAU gl.glScissor(0, 0, width, height);
if(innerCube) {
// Clear background to white
gl.glClearColor(1.0f, 1.0f, 1.0f, 0.4f);
} else {
// Clear background to blue
gl.glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
}
if(!innerCube) {
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_LIGHTING);
gl.glEnable(gl.GL_LIGHT0);
gl.glEnable(gl.GL_COLOR_MATERIAL);
} else {
gl.glDisable(gl.GL_LIGHTING);
gl.glDisable(gl.GL_LIGHT0);
}
gl.glEnable(gl.GL_CULL_FACE);
gl.glEnable(gl.GL_NORMALIZE);
buffers();
}
public void buffers()
{
int vbonums = 0;
for (int i=0;i<bufferCount;i++)
{
gl.glEnableClientState(gl.GL_VERTEX_ARRAY);
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboNames[vbonums]);
gl.glBufferData(GL.GL_ARRAY_BUFFER, cubeVertices[i].limit() * Buffers.SIZEOF_SHORT, cubeVertices[i], GL.GL_STATIC_DRAW);
gl.glVertexPointer(3, gl.GL_SHORT, 0, 0);
vbonums++;
gl.glEnableClientState(gl.GL_NORMAL_ARRAY);
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboNames[vbonums]);
gl.glBufferData(GL.GL_ARRAY_BUFFER, cubeNormals[i].limit() * Buffers.SIZEOF_BYTE, cubeNormals[i], GL.GL_STATIC_DRAW);
gl.glNormalPointer(gl.GL_BYTE, 0, 0);
vbonums++;
gl.glEnableClientState(gl.GL_COLOR_ARRAY);
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboNames[vbonums]);
gl.glBufferData(GL.GL_ARRAY_BUFFER, cubeColors[i].limit() * Buffers.SIZEOF_FLOAT, cubeColors[i], GL.GL_STATIC_DRAW);
gl.glColorPointer(4, gl.GL_FLOAT, 0, 0);
vbonums++;
if (cubeTexCoords != null) {
gl.glEnableClientState(gl.GL_TEXTURE_COORD_ARRAY);
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboNames[vbonums]);
gl.glBufferData(GL.GL_ARRAY_BUFFER, cubeTexCoords[i].limit() * Buffers.SIZEOF_SHORT, cubeTexCoords[i], GL.GL_STATIC_DRAW);
gl.glTexCoordPointer(2, gl.GL_SHORT, 0, 0);
/* issues an GL_INVALID_ENUM
gl.glTexEnvi(gl.GL_TEXTURE_ENV, gl.GL_TEXTURE_ENV_MODE, gl.GL_INCR);
} */
vbonums++;
} else {
gl.glDisableClientState(gl.GL_TEXTURE_COORD_ARRAY);
}
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
gl.glHint(gl.GL_PERSPECTIVE_CORRECTION_HINT, gl.GL_FASTEST);
gl.glMatrixMode(gl.GL_PROJECTION);
gl.glLoadIdentity();
if(!innerCube) {
glu.gluPerspective(90.0f, aspect, 1.0f, 100.0f);
} else {
gl.glOrthof(-20.0f, 20.0f, -20.0f, 20.0f, 1.0f, 40.0f);
}
// weird effect ..: gl.glCullFace(gl.GL_FRONT);
}
}
public Renderer (boolean useTexCoords, boolean innerCube)
{
// Initialize data Buffers
// store data
/*
this.cubeVertices = Buffers.newDirectShortBuffer(s_cubeVertices.length);
cubeVertices.put(s_cubeVertices);
cubeVertices.flip();
this.cubeColors = Buffers.newDirectFloatBuffer(s_cubeColors.length);
cubeColors.put(s_cubeColors);
cubeColors.flip();
this.cubeNormals = Buffers.newDirectByteBuffer(s_cubeNormals.length);
cubeNormals.put(s_cubeNormals);
cubeNormals.flip();
this.cubeIndices = Buffers.newDirectByteBuffer(s_cubeIndices.length);
cubeIndices.put(s_cubeIndices);
cubeIndices.flip();
if (useTexCoords) {
this.cubeTexCoords = Buffers.newDirectShortBuffer(s_cubeTexCoords.length);
cubeTexCoords.put(s_cubeTexCoords);
cubeTexCoords.flip();
}
*/
}
public void init(GLAutoDrawable drawable) {
//initialize gl flags
GL _gl = drawable.getGL();
_gl.glGetError(); // flush error ..
if(glDebug) {
try {
_gl = _gl.getContext().setGL( GLPipelineFactory.create("com.jogamp.opengl.Debug", null, _gl, null) );
} catch (Exception e) {e.printStackTrace();}
}
if(glTrace) {
try {
_gl = _gl.getContext().setGL( GLPipelineFactory.create("com.jogamp.opengl.Trace", null, _gl, new Object[] { System.err } ) );
} catch (Exception e) {e.printStackTrace();}
}
gl = FixedFuncUtil.wrapFixedFuncEmul(_gl, ShaderSelectionMode.AUTO, null);
gl.glGenBuffers(maxvbonumbers, vboNames, 0);
glu = GLU.createGLU();
CubeObject cubeObject = new CubeObject();
CubeObject2 cubeObject2 = new CubeObject2();
pushData(cubeObject, cubeObject2);
}
public void dispose(GLAutoDrawable drawable) {
quit = true;
}
public void display(GLAutoDrawable drawable) {
display(drawable, true);
}
public void display(GLAutoDrawable drawable, boolean clear) {
//GL2ES1//
gl = drawable.getGL().getGL2ES1();
if (clear) {
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.glRotatef((float) (time * 29.77f), 1.0f, 2.0f, 0.0f);
gl.glRotatef((float) (time * 22.311f), -0.1f, 0.0f, -5.0f);
for (int i=0;i<bufferCount;i++)
{
gl.glDrawElements(gl.GL_TRIANGLES, 6 * 6, gl.GL_UNSIGNED_BYTE, cubeIndices[i]);
}
time += 0.01f;
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
}
private void run(int type) {
int width = 800;
int height = 480;
System.err.println("Cube.run()");
try {
GLCapabilities caps = new GLCapabilities(null);
// For emulation library, use 16 bpp
caps.setRedBits(5);
caps.setGreenBits(6);
caps.setBlueBits(5);
caps.setDepthBits(16);
Window nWindow = null;
GLWindow window;
if (0 != (type & USE_AWT)) {
Display nDisplay = NewtFactory.createDisplay(NativeWindowFactory.TYPE_AWT, null); // local display
Screen nScreen = NewtFactory.createScreen(nDisplay, 0); // screen 0
nWindow = NewtFactory.createWindow(nScreen, caps);
nWindow.setUndecorated(false);
window = GLWindow.create(nWindow);
} else {
window = GLWindow.create(caps);
}
window.addGLEventListener(this);
window.setUpdateFPSFrames(FPSCounter.DEFAULT_FRAMES_PER_INTERVAL, System.err);
// Size OpenGL to Video Surface
window.setSize(width, height);
window.setFullscreen(true);
window.setVisible(true);
while (!quit && window.getTotalFPSDuration() < 31000) {
window.display();
}
// Shut things down cooperatively
window.destroy();
System.out.println("Cube shut down cleanly.");
} catch (Throwable t) {
t.printStackTrace();
}
}
public static int USE_NEWT = 0;
public static int USE_AWT = 1 << 0;
public static void main(String[] args) {
int type = USE_NEWT;
for (int i = args.length - 1; i >= 0; i--) {
if (args[i].equals("-awt")) {
type |= USE_AWT;
}
}
new Renderer(true, true).run(type);
System.exit(0);
}
}