本文整理汇总了Java中javax.media.opengl.GL2.glDrawArrays方法的典型用法代码示例。如果您正苦于以下问题：Java GL2.glDrawArrays方法的具体用法？Java GL2.glDrawArrays怎么用？Java GL2.glDrawArrays使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.media.opengl.GL2的用法示例。
在下文中一共展示了GL2.glDrawArrays方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: drawInteriorVertexColorVBO
import javax.media.opengl.GL2; //导入方法依赖的package包/类
private void drawInteriorVertexColorVBO(final DrawContext dc, final int[] vboIds, final PathData pathData) {
final GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
final int vertexStride = pathData.getVertexStride();
// Convert stride from number of elements to number of bytes.
gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, vboIds[0]);
{
gl.glEnableClientState(GL2.GL_COLOR_ARRAY);
{
gl.glVertexPointer(3, GL2.GL_FLOAT, 4 * vertexStride, 0);
gl.glColorPointer(4, GL2.GL_FLOAT, 4 * vertexStride, 4 * pathData.getColorOffset());
gl.glDrawArrays(GL2.GL_TRIANGLE_STRIP, 0, pathData.getVertexCount());
}
gl.glDisableClientState(GL2.GL_COLOR_ARRAY);
}
gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, 0);
}
示例2: render
import javax.media.opengl.GL2; //导入方法依赖的package包/类
@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);
}
}
示例3: render
import javax.media.opengl.GL2; //导入方法依赖的package包/类
@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();
gl2.glOrtho(0, 0, view_width_, view_height_, 0.1, 100.0);
// 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);
}
}
示例4: display
import javax.media.opengl.GL2; //导入方法依赖的package包/类
@Override
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
// ensure pipeline is clean before doing cl work
gl.glFinish();
computeHeightfield();
gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
gl.glLoadIdentity();
usi.interact(gl);
gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, glObjects[VERTICES]);
gl.glVertexPointer(4, GL2.GL_FLOAT, 0, 0);
// gl.glBindBuffer(GL2.GL_ELEMENT_ARRAY_BUFFER, glObjects[INDICES]);
gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
gl.glDrawArrays(GL2.GL_POINTS, 0, MESH_SIZE * MESH_SIZE);
// gl.glDrawElements(GL2.GL_TRIANGLES, ib.capacity(), GL2.GL_UNSIGNED_INT, 0);
gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);
// gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, 0);
}