Java Code Examples for javax.media.opengl.GL2#glEnd()
The following examples show how to use
javax.media.opengl.GL2#glEnd() .
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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 | 6 votes |
|
@Override
public void drawTransform(Transform xf) {
GL2 gl = panel.getGL().getGL2();
getWorldToScreenToOut(xf.p, temp);
temp2.setZero();
float k_axisScale = 0.4f;
gl.glBegin(GL2.GL_LINES);
gl.glColor3f(1, 0, 0);
temp2.x = xf.p.x + k_axisScale * xf.q.c;
temp2.y = xf.p.y + k_axisScale * xf.q.s;
getWorldToScreenToOut(temp2, temp2);
gl.glVertex2f(temp.x, temp.y);
gl.glVertex2f(temp2.x, temp2.y);
gl.glColor3f(0, 1, 0);
temp2.x = xf.p.x + -k_axisScale * xf.q.s;
temp2.y = xf.p.y + k_axisScale * xf.q.c;
getWorldToScreenToOut(temp2, temp2);
gl.glVertex2f(temp.x, temp.y);
gl.glVertex2f(temp2.x, temp2.y);
gl.glEnd();
}
Example 3
| Source File: CefRenderer.java From pandomium with Apache License 2.0 | 5 votes |
|
@SuppressWarnings("static-access")
protected void render(GL2 gl2) {
if (use_draw_pixels_ || view_width_ == 0 || view_height_ == 0) {
return;
}
assert (initialized_context_ != null);
final float[] vertex_data = {
//tu, tv, x, y, z
0.0f, 1.0f, -1.0f, -1.0f, 0.0f, 1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f };
FloatBuffer vertices = FloatBuffer.wrap(vertex_data);
gl2.glClear(gl2.GL_COLOR_BUFFER_BIT | gl2.GL_DEPTH_BUFFER_BIT);
gl2.glMatrixMode(gl2.GL_MODELVIEW);
gl2.glLoadIdentity();
// Match GL units to screen coordinates.
gl2.glViewport(0, 0, view_width_, view_height_);
gl2.glMatrixMode(gl2.GL_PROJECTION);
gl2.glLoadIdentity();
// Draw the background gradient.
gl2.glPushAttrib(gl2.GL_ALL_ATTRIB_BITS);
gl2.glBegin(gl2.GL_QUADS);
gl2.glColor4f(1.0f, 0.0f, 0.0f, 1.0f); // red
gl2.glVertex2f(-1.0f, -1.0f);
gl2.glVertex2f(1.0f, -1.0f);
gl2.glColor4f(0.0f, 0.0f, 1.0f, 1.0f); // blue
gl2.glVertex2f(1.0f, 1.0f);
gl2.glVertex2f(-1.0f, 1.0f);
gl2.glEnd();
gl2.glPopAttrib();
// Rotate the view based on the mouse spin.
if (spin_x_ != 0) {
gl2.glRotatef(-spin_x_, 1.0f, 0.0f, 0.0f);
}
if (spin_y_ != 0) {
gl2.glRotatef(-spin_y_, 0.0f, 1.0f, 0.0f);
}
if (transparent_) {
// Alpha blending style. Texture values have premultiplied alpha.
gl2.glBlendFunc(gl2.GL_ONE, gl2.GL_ONE_MINUS_SRC_ALPHA);
// Enable alpha blending.
gl2.glEnable(gl2.GL_BLEND);
}
// Enable 2D textures.
gl2.glEnable(gl2.GL_TEXTURE_2D);
// Draw the facets with the texture.
assert (texture_id_[0] != 0);
gl2.glBindTexture(gl2.GL_TEXTURE_2D, texture_id_[0]);
gl2.glInterleavedArrays(gl2.GL_T2F_V3F, 0, vertices);
gl2.glDrawArrays(gl2.GL_QUADS, 0, 4);
// Disable 2D textures.
gl2.glDisable(gl2.GL_TEXTURE_2D);
if (transparent_) {
// Disable alpha blending.
gl2.glDisable(gl2.GL_BLEND);
}
}
Example 4
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 5 votes |
|
@Override
public void drawPoint(Vec2 argPoint, float argRadiusOnScreen, Color3f argColor) {
Vec2 vec = getWorldToScreen(argPoint);
GL2 gl = panel.getGL().getGL2();
gl.glPointSize(argRadiusOnScreen);
gl.glBegin(GL2.GL_POINTS);
gl.glVertex2f(vec.x, vec.y);
gl.glEnd();
}
Example 5
| Source File: JoglDebugDraw.java From jbox2d with BSD 2-Clause "Simplified" License | 5 votes |
|
@Override
public void drawPolygon(Vec2[] vertices, int vertexCount, Color3f color) {
GL2 gl = panel.getGL().getGL2();
gl.glPushMatrix();
transformViewport(gl, zero);
gl.glBegin(GL2.GL_LINE_LOOP);
gl.glColor4f(color.x, color.y, color.z, 1f);
for (int i = 0; i < vertexCount; i++) {
Vec2 v = vertices[i];
gl.glVertex2f(v.x, v.y);
}
gl.glEnd();
gl.glPopMatrix();
}
Example 6
| 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 7
| 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 8
| 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 9
| 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 10
| 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();
}
