public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glu = new GLU();
//
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glShadeModel(GL2.GL_SMOOTH);
setupPointers(gl);
}
@Override
public void init(GLAutoDrawable glDrawable) {
GL2 gl = glDrawable.getGL().getGL2();
gl.glShadeModel(GLLightingFunc.GL_SMOOTH);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearDepth(1.0f);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glDepthFunc(GL.GL_LEQUAL);
gl.glHint(GL2ES1.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
}
/**
* Called back immediately after the OpenGL context is initialized. Can be used to perform
* one-time initialization. Run only once.
*/
@Override
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2(); // get the OpenGL graphics context
glu = new GLU(); // get GL Utilities
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // set background (clear) color
gl.glClearDepth(1.0f); // set clear depth value to farthest
// Do not enable depth test
// gl.glEnable(GL_DEPTH_TEST); // enables depth testing
// gl.glDepthFunc(GL_LEQUAL); // the type of depth test to do
gl.glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // best perspective correction
gl.glShadeModel(GL_SMOOTH); // blends colors nicely, and smoothes out lighting
// Load the texture image
try {
// Use URL so that can read from JAR and disk file.
BufferedImage image = ImageIO.read(this.getClass().getResource(textureFileName));
// Create a OpenGL Texture object
texture = AWTTextureIO.newTexture(GLProfile.getDefault(), image, false);
// Use linear filter if image is larger than the original texture
gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// Use linear filter if image is smaller than the original texture
gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
} catch (GLException | IOException e) {
e.printStackTrace();
}
// Texture image flips vertically. Shall use TextureCoords class to retrieve
// the top, bottom, left and right coordinates, instead of using 0.0f and 1.0f.
TextureCoords textureCoords = texture.getImageTexCoords();
textureCoordTop = textureCoords.top();
textureCoordBottom = textureCoords.bottom();
textureCoordLeft = textureCoords.left();
textureCoordRight = textureCoords.right();
// Enable the texture
texture.enable(gl);
texture.bind(gl);
// gl.glEnable(GL_TEXTURE_2D);
// Enable blending
gl.glEnable(GL_BLEND);
gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE);
// Allocate the stars
for (int i = 0; i < stars.length; i++) {
stars[i] = new Star();
// Linearly distributed according to the star number
stars[i].distance = ((float) i / numStars) * 5.0f;
}
}
@Override
public void init(GLAutoDrawable drawable) {
GL2 gl = (GL2) drawable.getGL();
GLUgl2 glu = new GLUgl2();
if (!gl.isExtensionAvailable("GL_ARB_vertex_buffer_object"))
System.out.println("Error: VBO support is missing");
gl.glShadeModel(GL2.GL_SMOOTH);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearDepth(1.0f);
gl.glEnable(GL2.GL_DEPTH_TEST);
gl.glDepthFunc(GL2.GL_LEQUAL);
gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_NICEST);
game = new Game(gl, glu, input);
}
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glu = new GLU();
/*
* jogl specific addition for tessellation
*/
tessellCallBack tessCallback = new tessellCallBack(gl, glu);
//
double rect[][] =
new double[][] { // [4][3] in C; reverse here
{50.0, 50.0, 0.0}, {200.0, 50.0, 0.0}, {200.0, 200.0, 0.0}, {50.0, 200.0, 0.0}
};
double tri[][] =
new double[][] { // [3][3]
{75.0, 75.0, 0.0}, {125.0, 175.0, 0.0}, {175.0, 75.0, 0.0}
};
double star[][] =
new double[][] { // [5][6]; 6x5 in java
{250.0, 50.0, 0.0, 1.0, 0.0, 1.0},
{325.0, 200.0, 0.0, 1.0, 1.0, 0.0},
{400.0, 50.0, 0.0, 0.0, 1.0, 1.0},
{250.0, 150.0, 0.0, 1.0, 0.0, 0.0},
{400.0, 150.0, 0.0, 0.0, 1.0, 0.0}
};
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
startList = gl.glGenLists(2);
GLUtessellator tobj = glu.gluNewTess();
glu.gluTessCallback(tobj, GLU.GLU_TESS_VERTEX, tessCallback); // glVertex3dv);
glu.gluTessCallback(tobj, GLU.GLU_TESS_BEGIN, tessCallback); // beginCallback);
glu.gluTessCallback(tobj, GLU.GLU_TESS_END, tessCallback); // endCallback);
glu.gluTessCallback(tobj, GLU.GLU_TESS_ERROR, tessCallback); // errorCallback);
/* rectangle with triangular hole inside */
gl.glNewList(startList, GL2.GL_COMPILE);
gl.glShadeModel(GL2.GL_FLAT);
glu.gluTessBeginPolygon(tobj, null);
glu.gluTessBeginContour(tobj);
glu.gluTessVertex(tobj, rect[0], 0, rect[0]);
glu.gluTessVertex(tobj, rect[1], 0, rect[1]);
glu.gluTessVertex(tobj, rect[2], 0, rect[2]);
glu.gluTessVertex(tobj, rect[3], 0, rect[3]);
glu.gluTessEndContour(tobj);
glu.gluTessBeginContour(tobj);
glu.gluTessVertex(tobj, tri[0], 0, tri[0]);
glu.gluTessVertex(tobj, tri[1], 0, tri[1]);
glu.gluTessVertex(tobj, tri[2], 0, tri[2]);
glu.gluTessEndContour(tobj);
glu.gluTessEndPolygon(tobj);
gl.glEndList();
glu.gluTessCallback(tobj, GLU.GLU_TESS_VERTEX, tessCallback); // vertexCallback);
glu.gluTessCallback(tobj, GLU.GLU_TESS_BEGIN, tessCallback); // beginCallback);
glu.gluTessCallback(tobj, GLU.GLU_TESS_END, tessCallback); // endCallback);
glu.gluTessCallback(tobj, GLU.GLU_TESS_ERROR, tessCallback); // errorCallback);
glu.gluTessCallback(tobj, GLU.GLU_TESS_COMBINE, tessCallback); // combineCallback);
/* smooth shaded, self-intersecting star */
gl.glNewList(startList + 1, GL2.GL_COMPILE);
gl.glShadeModel(GL2.GL_SMOOTH);
glu.gluTessProperty(
tobj, //
GLU.GLU_TESS_WINDING_RULE, //
GLU.GLU_TESS_WINDING_POSITIVE);
glu.gluTessBeginPolygon(tobj, null);
glu.gluTessBeginContour(tobj);
glu.gluTessVertex(tobj, star[0], 0, star[0]);
glu.gluTessVertex(tobj, star[1], 0, star[1]);
glu.gluTessVertex(tobj, star[2], 0, star[2]);
glu.gluTessVertex(tobj, star[3], 0, star[3]);
glu.gluTessVertex(tobj, star[4], 0, star[4]);
glu.gluTessEndContour(tobj);
glu.gluTessEndPolygon(tobj);
gl.glEndList();
glu.gluDeleteTess(tobj);
}
