Java Code Examples for javax.media.opengl.GL2#glVertex3f()
The following examples show how to use
javax.media.opengl.GL2#glVertex3f() .
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Example 1
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 6 votes |
|
@Override
public void drawCircle(Vec2 center, float radius, Color3f color) {
GL2 gl = panel.getGL().getGL2();
gl.glPushMatrix();
transformViewport(gl, zero);
float theta = 2 * MathUtils.PI / NUM_CIRCLE_POINTS;
float c = MathUtils.cos(theta);
float s = MathUtils.sin(theta);
float x = radius;
float y = 0;
float cx = center.x;
float cy = center.y;
gl.glBegin(GL2.GL_LINE_LOOP);
gl.glColor4f(color.x, color.y, color.z, 1);
for (int i = 0; i < NUM_CIRCLE_POINTS; i++) {
gl.glVertex3f(x + cx, y + cy, 0);
// apply the rotation matrix
float temp = x;
x = c * x - s * y;
y = s * temp + c * y;
}
gl.glEnd();
gl.glPopMatrix();
}
Example 2
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 5 votes |
|
@Override
public void drawCircle(Vec2 center, float radius, Vec2 axis, Color3f color) {
GL2 gl = panel.getGL().getGL2();
gl.glPushMatrix();
transformViewport(gl, zero);
float theta = 2 * MathUtils.PI / NUM_CIRCLE_POINTS;
float c = MathUtils.cos(theta);
float s = MathUtils.sin(theta);
float x = radius;
float y = 0;
float cx = center.x;
float cy = center.y;
gl.glBegin(GL2.GL_LINE_LOOP);
gl.glColor4f(color.x, color.y, color.z, 1);
for (int i = 0; i < NUM_CIRCLE_POINTS; i++) {
gl.glVertex3f(x + cx, y + cy, 0);
// apply the rotation matrix
float temp = x;
x = c * x - s * y;
y = s * temp + c * y;
}
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(cx, cy, 0);
gl.glVertex3f(cx + axis.x * radius, cy + axis.y * radius, 0);
gl.glEnd();
gl.glPopMatrix();
}
Example 3
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 5 votes |
|
@Override
public void drawSegment(Vec2 p1, Vec2 p2, Color3f color) {
GL2 gl = panel.getGL().getGL2();
gl.glPushMatrix();
transformViewport(gl, zero);
gl.glBegin(GL2.GL_LINES);
gl.glColor3f(color.x, color.y, color.z);
gl.glVertex3f(p1.x, p1.y, 0);
gl.glVertex3f(p2.x, p2.y, 0);
gl.glEnd();
gl.glPopMatrix();
}
Example 4
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 5 votes |
|
@Override
public void drawParticles(Vec2[] centers, float radius, ParticleColor[] colors, int count) {
GL2 gl = panel.getGL().getGL2();
gl.glPushMatrix();
transformViewport(gl, zero);
float theta = 2 * MathUtils.PI / NUM_CIRCLE_POINTS;
float c = MathUtils.cos(theta);
float s = MathUtils.sin(theta);
float x = radius;
float y = 0;
for (int i = 0; i < count; i++) {
Vec2 center = centers[i];
float cx = center.x;
float cy = center.y;
gl.glBegin(GL2.GL_TRIANGLE_FAN);
if (colors == null) {
gl.glColor4f(1, 1, 1, .4f);
} else {
ParticleColor color = colors[i];
gl.glColor4b(color.r, color.g, color.b, color.a);
}
for (int j = 0; j < NUM_CIRCLE_POINTS; j++) {
gl.glVertex3f(x + cx, y + cy, 0);
float temp = x;
x = c * x - s * y;
y = s * temp + c * y;
}
gl.glEnd();
}
gl.glPopMatrix();
}
Example 5
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 5 votes |
|
@Override
public void drawParticlesWireframe(Vec2[] centers, float radius, ParticleColor[] colors, int count) {
GL2 gl = panel.getGL().getGL2();
gl.glPushMatrix();
transformViewport(gl, zero);
float theta = 2 * MathUtils.PI / NUM_CIRCLE_POINTS;
float c = MathUtils.cos(theta);
float s = MathUtils.sin(theta);
float x = radius;
float y = 0;
for (int i = 0; i < count; i++) {
Vec2 center = centers[i];
float cx = center.x;
float cy = center.y;
gl.glBegin(GL2.GL_LINE_LOOP);
if (colors == null) {
gl.glColor4f(1, 1, 1, 1);
} else {
ParticleColor color = colors[i];
gl.glColor4b(color.r, color.g, color.b, (byte) 127);
}
for (int j = 0; j < NUM_CIRCLE_POINTS; j++) {
gl.glVertex3f(x + cx, y + cy, 0);
float temp = x;
x = c * x - s * y;
y = s * temp + c * y;
}
gl.glEnd();
}
gl.glPopMatrix();
}
Example 6
| Source File: Rhombus.java From MeteoInfo with GNU Lesser General Public License v3.0 | 4 votes |
|
@Override
public void display(GLAutoDrawable drawable) {
final GL2 gl = drawable.getGL().getGL2();
gl.glTranslatef(0f, 0f, -2.5f);
//drawing edge1.....
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(-0.75f, 0f, 0);
gl.glVertex3f(0f, -0.75f, 0);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(-0.75f, 0f, 3f); // 3 units into the window
gl.glVertex3f(0f, -0.75f, 3f);
gl.glEnd();
//top
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(-0.75f, 0f, 0);
gl.glVertex3f(-0.75f, 0f, 3f);
gl.glEnd();
// bottom
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0f, -0.75f, 0);
gl.glVertex3f(0f, -0.75f, 3f);
gl.glEnd();
// edge 2....
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0f, -0.75f, 0);
gl.glVertex3f(0.75f, 0f, 0);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0f, -0.75f, 3f);
gl.glVertex3f(0.75f, 0f, 3f);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0f, -0.75f, 0);
gl.glVertex3f(0f, -0.75f, 3f);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.75f, 0f, 0);
gl.glVertex3f(0.75f, 0f, 3f);
gl.glEnd();
//Edge 3.............
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.0f, 0.75f, 0);
gl.glVertex3f(-0.75f, 0f, 0);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.0f, 0.75f, 3f);
gl.glVertex3f(-0.75f, 0f, 3f);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.0f, 0.75f, 0);
gl.glVertex3f(0.0f, 0.75f, 3f);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(-0.75f, 0f, 0);
gl.glVertex3f(-0.75f, 0f, 3f);
gl.glEnd();
//final edge
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.75f, 0f, 0);
gl.glVertex3f(0.0f, 0.75f, 0);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.75f, 0f, 3f);
gl.glVertex3f(0.0f, 0.75f, 3f);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.75f, 0f, 0);
gl.glVertex3f(0.75f, 0f, 3f);
gl.glEnd();
gl.glBegin(GL2.GL_LINES);
gl.glVertex3f(0.0f, 0.75f, 0);
gl.glVertex3f(0.0f, 0.75f, 3f);
gl.glEnd();
}
