diff options
| author | Sven Gothel <[email protected]> | 2000-11-18 06:43:49 +0000 |
|---|---|---|
| committer | Sven Gothel <[email protected]> | 2000-11-18 06:43:49 +0000 |
| commit | 880653d31a8f1ff8384fdbc75b84934bceecfdb8 (patch) | |
| tree | bdafb71416f176d2a4b73bf716c9dc3f13685a8b /demos/starCvs.java | |
Initial revision
Diffstat (limited to 'demos/starCvs.java')
| -rw-r--r-- | demos/starCvs.java | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/demos/starCvs.java b/demos/starCvs.java new file mode 100644 index 0000000..b7c942c --- /dev/null +++ b/demos/starCvs.java @@ -0,0 +1,205 @@ +/*
+ * Leo Chan
+ *
+ * October 1995
+ *
+ * -----------
+ *
+ * Sven Goethel
+ * September 1997
+ *
+ * @version 1.0, 23. JUNI 1998
+ */
+
+
+import gl4java.awt.*;
+import java.awt.*;
+import java.awt.event.*;
+
+
+class starCvs extends GLAnimCanvas
+{
+ protected int FrameStep =0;
+
+ float lmodel_twoside[] = null;
+ float lmodel_local[] = null;
+ float lmodel_ambient[] = null;
+
+ public starCvs(int w, int h, String glClass, String gluClass)
+ {
+ super( w, h, glClass, gluClass);
+ }
+
+ public void init()
+ {
+ lmodel_twoside= new float[4];
+ lmodel_twoside[0]=0f;
+ lmodel_twoside[1]=0f;
+ lmodel_twoside[2]=0f;
+ lmodel_twoside[3]=0f;
+ lmodel_local= new float[4];
+ lmodel_local[0]=0f;
+ lmodel_local[1]=0f;
+ lmodel_local[2]=0f;
+ lmodel_local[3]=0f;
+ lmodel_ambient= new float[4];
+ lmodel_ambient[0]=0f;
+ lmodel_ambient[1]=0f;
+ lmodel_ambient[2]=0f;
+ lmodel_ambient[3]=0f;
+
+ /* initialize the widget */
+ gl.glClearColor( 0.8f, 0.8f, 1.0f, 1.0f );
+ gl.glFrontFace( GL_CW );
+ gl.glEnable( GL_DEPTH_TEST );
+
+ int width = cvsGetWidth();
+ int height = cvsGetHeight();
+
+ gl.glViewport( 0, 0, width, height );
+
+ gl.glMatrixMode( GL_PROJECTION );
+ gl.glLoadIdentity();
+
+ double fov = 45.0,
+ aspect = width / height,
+ near = 1.0,
+ far = 200.0;
+ glu.gluPerspective( fov, aspect, near, far );
+
+ gl.glMatrixMode( GL_MODELVIEW );
+ gl.glLoadIdentity();
+
+ /* render three rotated cylinders */
+ gl.glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+
+ float lightArr[] = new float[4];
+ float farr[] = new float[4];
+
+ /* enable lighting */
+
+ lightArr[0] = 1.0f; lightArr[1] = 1.0f;
+ lightArr[2] = 1.0f; lightArr[3] = 1.0f;
+ gl.glLightfv( GL_LIGHT0, GL_DIFFUSE, lightArr );
+ lightArr[0] = 90.0f; lightArr[1] = 90.0f;
+ lightArr[2] = 0.0f; lightArr[3] = 0.0f;
+ gl.glLightfv( GL_LIGHT0, GL_POSITION, lightArr );
+ lightArr[0] = 0.1f; lightArr[1] = 0.1f;
+ lightArr[2] = 0.1f; lightArr[3] = 1.0f;
+ gl.glLightfv( GL_LIGHT0, GL_AMBIENT, lightArr );
+ gl.glLightModeli( GL_LIGHT_MODEL_TWO_SIDE,
+ 1 );
+ gl.glEnable( GL_LIGHT0 );
+
+ /*
+ gl.glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ gl.glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ */
+ gl.glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
+ gl.glEnable( GL_LIGHTING );
+
+
+ gl.glMaterialf( GL_FRONT, GL_SHININESS, 30.0f );
+
+ farr[0] = 0.0f; farr[1] = 0.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ gl.glMaterialfv( GL_FRONT, GL_SPECULAR, farr );
+
+ farr[0] = 0.0f; farr[1] = 1.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ gl.glMaterialfv( GL_FRONT, GL_DIFFUSE, farr );
+
+ gl.glMaterialf( GL_BACK, GL_SHININESS, 50.0f );
+
+ farr[0] = 0.0f; farr[1] = 0.0f; farr[2] = 1.0f; farr[3] = 1.0f;
+ gl.glMaterialfv( GL_BACK, GL_SPECULAR, farr );
+
+ farr[0] = 1.0f; farr[1] = 1.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ gl.glMaterialfv( GL_BACK, GL_DIFFUSE, farr );
+ }
+
+ public void animationCalc()
+ {
+ FrameStep+=1;
+ if(FrameStep>100000) FrameStep=0;
+ }
+
+ public void display()
+ {
+ /* Standard gl4java Init */
+ if( glj.gljMakeCurrent() == false )
+ {
+ System.out.println("problem in use() method");
+ return;
+ }
+
+ gl.glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+ gl.glPushMatrix();
+ gl.glTranslatef( 0.0f, 0.0f, -65.0f );
+ gl.glRotatef( 40.0f+(2f*FrameStep), 0.0f, 0.0f, 1.0f );
+ gl.glRotatef( 190.0f+(2f*FrameStep), 0.0f, 1.0f, 0.0f );
+ gl.glRotatef( 200.0f+(FrameStep*2f), 1.0f, 0.0f, 0.0f );
+ gl.glPushMatrix();
+ gl.glScalef( 1.0f, 1.0f, 10.0f );
+ drawCylinder();
+ gl.glPopMatrix();
+ gl.glPushMatrix();
+ gl.glRotatef( 90.0f, 0.0f, 1.0f, 0.0f );
+ gl.glScalef( 1.0f, 1.0f, 10.0f );
+ drawCylinder();
+ gl.glPopMatrix();
+ gl.glPushMatrix();
+ gl.glRotatef( 90.0f, 1.0f, 0.0f, 0.0f );
+ gl.glScalef( 1.0f, 1.0f, 10.0f );
+ drawCylinder();
+ gl.glPopMatrix();
+ gl.glPopMatrix();
+
+ glj.gljSwap();
+ glj.gljCheckGL();
+ glj.gljFree();
+ animationCalc() ;
+ }
+
+ public void drawCylinder()
+ {
+ gl.glBegin( GL_TRIANGLE_STRIP );
+ gl.glNormal3f ( 1.0f, 0.0f, -5.0f);
+ gl.glVertex3f ( 1.0f, 0.0f, -5.0f);
+ gl.glNormal3f ( 1.0f, 0.0f, -5.0f);
+ gl.glVertex3f (1.000000f, 0.000000f, 5.000000f);
+ gl.glNormal3f (0.707107f, 0.707107f, -5.000000f);
+ gl.glVertex3f (0.707107f, 0.707107f, -5.000000f);
+ gl.glNormal3f (0.707107f, 0.707107f, -5.000000f);
+ gl.glVertex3f (0.707107f, 0.707107f, 5.000000f);
+ gl.glNormal3f (0.000000f, 1.000000f, -5.000000f);
+ gl.glVertex3f (0.000000f, 1.000000f, -5.000000f);
+ gl.glNormal3f (0.000000f, 1.000000f, -5.000000f);
+ gl.glVertex3f (0.000000f, 1.000000f, 5.000000f);
+ gl.glNormal3f (-0.707107f, 0.707107f, -5.00000f);
+ gl.glVertex3f (-0.707107f, 0.707107f, -5.00000f);
+ gl.glNormal3f (-0.707107f, 0.707107f, -5.00000f);
+ gl.glVertex3f (-0.707107f, 0.707107f, 5.00000f);
+ gl.glNormal3f (-1.000000f, 0.000000f, -5.000000f);
+ gl.glVertex3f (-1.000000f, 0.000000f, -5.000000f);
+ gl.glNormal3f (-1.000000f, 0.000000f, -5.000000f);
+ gl.glVertex3f (-1.000000f, 0.000000f, 5.00000f);
+ gl.glNormal3f (-0.707107f, -0.707107f, -5.000000f);
+ gl.glVertex3f (-0.707107f, -0.707107f, -5.000000f);
+ gl.glNormal3f (-0.707107f, -0.707107f, -5.000000f);
+ gl.glVertex3f (-0.707107f, -0.707107f, 5.00000f);
+ gl.glNormal3f (0.000000f, -1.000000f, -5.000000f);
+ gl.glVertex3f (0.000000f, -1.000000f, -5.000000f);
+ gl.glNormal3f (0.000000f, -1.000000f, -5.000000f);
+ gl.glVertex3f (0.000000f, -1.000000f, 5.00000f);
+ gl.glNormal3f (0.707107f, -0.707107f, -5.00000f);
+ gl.glVertex3f (0.707107f, -0.707107f, -5.00000f);
+ gl.glNormal3f (0.707107f, -0.707107f, -5.00000f);
+ gl.glVertex3f (0.707107f, -0.707107f, 5.000000f);
+ gl.glNormal3f (1.000000f, 0.000000f, -5.00000f);
+ gl.glVertex3f (1.000000f, 0.000000f, -5.00000f);
+ gl.glNormal3f (1.000000f, 0.000000f, -5.00000f);
+ gl.glVertex3f (1.000000f, 0.000000f, 5.00000f);
+ gl.glEnd();
+ }
+}
+
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