void setupLight(GL2 gl) {
gl.glShadeModel(GL2.GL_SMOOTH);
gl.glEnable(GL2.GL_CULL_FACE);
gl.glCullFace(GL2.GL_BACK);
/* create light 0 and give it a position */
// float light0pos[] = {1.1f, 1.1f, -1.1f, 1};
float light0pos[] = {1f, 1f, 1f, 0};
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, light0pos, 0);
/* turn light 0 on */
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_RESCALE_NORMAL);
float ambient[] = {0.3f, 0.3f, 0.3f};
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, ambient, 0);
float specular[] = {1f, 1f, 1f, 1};
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, specular, 0);
gl.glMaterialfv(GL2.GL_FRONT_AND_BACK, GL2.GL_SPECULAR, new float[] {0.5f, 0.5f, 0.5f, 1}, 0);
gl.glMaterialf(GL2.GL_FRONT_AND_BACK, GL2.GL_SHININESS, 20);
/*turn lighting on */
gl.glEnable(GL2.GL_LIGHTING);
gl.glClearAccum(0, 0, 0, 0);
lightEnabled = true;
}
public void setup() {
// OPENGL SPECIFIC INITIALIZATION (OPTIONAL)
GL2 gl = getGL2();
gl.glEnable(GL2.GL_CULL_FACE);
float light_model_ambient[] = {0.3f, 0.3f, 0.3f, 1.0f};
float light0_diffuse[] = {0.9f, 0.9f, 0.9f, 0.9f};
float light0_direction[] = {0.0f, -0.4f, 1.0f, 0.0f};
gl.glEnable(GL2.GL_NORMALIZE);
gl.glShadeModel(GL2.GL_SMOOTH);
gl.glLightModeli(GL2.GL_LIGHT_MODEL_LOCAL_VIEWER, GL2.GL_FALSE);
gl.glLightModeli(GL2.GL_LIGHT_MODEL_TWO_SIDE, GL2.GL_FALSE);
gl.glLightModelfv(GL2.GL_LIGHT_MODEL_AMBIENT, light_model_ambient, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, light0_diffuse, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, light0_direction, 0);
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_COLOR_MATERIAL);
gl.glEnable(GL2.GL_LIGHTING);
gl.glColor3f(0.9f, 0.9f, 0.9f);
gl.glBlendFunc(GL2.GL_SRC_ALPHA, GL2.GL_ONE_MINUS_SRC_ALPHA);
background(0, 0, 0);
video_frame = new VideoFrame();
}
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glut = new GLUT();
//
float ambient[] = new float[] {0.0f, 0.0f, 0.0f, 1.0f};
float diffuse[] = new float[] {1.0f, 1.0f, 1.0f, 1.0f};
float specular[] = new float[] {1.0f, 1.0f, 1.0f, 1.0f};
float position[] = new float[] {0.0f, 3.0f, 3.0f, 0.0f};
float lmodel_ambient[] = new float[] {0.2f, 0.2f, 0.2f, 1.0f};
float local_view[] = new float[] {0.0f};
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, ambient, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, diffuse, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, position, 0);
gl.glLightModelfv(GL2.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient, 0);
gl.glLightModelfv(GL2.GL_LIGHT_MODEL_LOCAL_VIEWER, local_view, 0);
gl.glFrontFace(GL.GL_CW);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_AUTO_NORMAL);
gl.glEnable(GL2.GL_NORMALIZE);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearAccum(0.0f, 0.0f, 0.0f, 0.0f);
/* make teapot display list */
teapotList = gl.glGenLists(1);
gl.glNewList(teapotList, GL2.GL_COMPILE);
glut.glutSolidTeapot(0.5f);
gl.glEndList();
}
@Override
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
// If you do not add this line
// opengl will draw things in the order you
// draw them in your program
gl.glEnable(GL2.GL_DEPTH_TEST);
// By enabling lighting, color is worked out differently.
gl.glEnable(GL2.GL_LIGHTING);
// When you enable lighting you must still actually
// turn on a light such as this default light.
gl.glEnable(GL2.GL_LIGHT0);
// Light property vectors.
float lightAmb[] = {0.0f, 0.0f, 0.0f, 1.0f};
float lightDifAndSpec[] = {1.0f, 1.0f, 1.0f, 1.0f};
// float lightPos[] = { 0.0f, 1.5f, 3.0f, 1.0f };
float globAmb[] = {0.2f, 0.2f, 0.2f, 1.0f};
// float globAmb[] = {0.5f,0.5f,0.5f,1f};
// Light properties.
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, lightAmb, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, lightDifAndSpec, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, lightDifAndSpec, 0);
// gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, lightPos,0);
gl.glBlendFunc(GL2.GL_SRC_ALPHA, GL2.GL_ONE_MINUS_SRC_ALPHA);
gl.glEnable(GL2.GL_BLEND);
}
/** Configures the GL light with the light parameters. */
public void turnOn(GL2 gl, int glLight) {
if (isGLLight(glLight)) {
gl.glEnable(glLight);
if (ambient != null) {
gl.glLightfv(glLight, GLLightingFunc.GL_AMBIENT, ambient, 0);
} else {
gl.glLightfv(glLight, GLLightingFunc.GL_AMBIENT, new float[] {0f, 0f, 0f, 0f}, 0);
}
if (diffuse != null) {
gl.glLightfv(glLight, GLLightingFunc.GL_DIFFUSE, diffuse, 0);
} else {
gl.glLightfv(glLight, GLLightingFunc.GL_DIFFUSE, new float[] {0f, 0f, 0f, 0f}, 0);
}
if (specular != null) {
gl.glLightfv(glLight, GLLightingFunc.GL_SPECULAR, specular, 0);
} else {
gl.glLightfv(glLight, GLLightingFunc.GL_SPECULAR, new float[] {0f, 0f, 0f, 0f}, 0);
}
gl.glLightf(glLight, GLLightingFunc.GL_CONSTANT_ATTENUATION, attenuationConstant);
gl.glLightf(glLight, GLLightingFunc.GL_LINEAR_ATTENUATION, attenuationLinear);
gl.glLightf(glLight, GLLightingFunc.GL_QUADRATIC_ATTENUATION, attenuationQuadratic);
switch (type) {
case Directional:
gl.glLightfv(
glLight,
GLLightingFunc.GL_POSITION,
new float[] {direction.x, direction.y, direction.z, type.w},
0);
break;
case Point:
gl.glLightfv(
glLight,
GLLightingFunc.GL_POSITION,
new float[] {position.x, position.y, position.z, type.w},
0);
break;
case Spot:
gl.glLightfv(
glLight,
GLLightingFunc.GL_POSITION,
new float[] {position.x, position.y, position.z, type.w},
0);
gl.glLightfv(
glLight,
GLLightingFunc.GL_SPOT_DIRECTION,
new float[] {direction.x, direction.y, direction.z},
0);
gl.glLightf(glLight, GLLightingFunc.GL_SPOT_CUTOFF, cutoff);
gl.glLightf(glLight, GLLightingFunc.GL_SPOT_EXPONENT, spotExp);
break;
default:
// TODO(yin): Maybe custom lights?
}
}
}
private void setSunLight() {
float ambient[] = {0.2f, 0.2f, 0.2f, 1.0f};
float diffuse[] = {0.7f, 0.7f, 0.7f, 1.0f};
float specular[] = {1, 1, 1, 1.0f};
float position[] = {0, 16, 10, 1};
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_COLOR_MATERIAL);
gl.glColorMaterial(GL.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, ambient, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, diffuse, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, specular, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, position, 0);
}
/*
* Initialize material property and light source.
*/
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
float light_ambient[] = {0.0f, 0.0f, 0.0f, 1.0f};
float light_diffuse[] = {1.0f, 0.0f, 1.0f, 1.0f};
float light_specular[] = {1.0f, 0.0f, 1.0f, 1.0f};
/* light_position is NOT default value */
float light_position[] = {1.0f, 1.0f, 1.0f, 0.0f};
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, light_ambient, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, light_diffuse, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, light_specular, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, light_position, 0);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glDepthFunc(GL.GL_LESS);
gl.glEnable(GL.GL_DEPTH_TEST);
}
public void updateLightParameters(GL2 gl) {
gl.glLightfv(GL2.GL_LIGHT0 + lightNumber, GL2.GL_AMBIENT, ambient, 0);
gl.glLightfv(GL2.GL_LIGHT0 + lightNumber, GL2.GL_DIFFUSE, diffuse, 0);
gl.glLightfv(GL2.GL_LIGHT0 + lightNumber, GL2.GL_SPECULAR, specular, 0);
gl.glLightfv(GL2.GL_LIGHT0 + lightNumber, GL2.GL_POSITION, position, 0);
}
