本文整理汇总了Java中javax.media.opengl.GL2.glMultMatrixf方法的典型用法代码示例。如果您正苦于以下问题：Java GL2.glMultMatrixf方法的具体用法？Java GL2.glMultMatrixf怎么用？Java GL2.glMultMatrixf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.glMultMatrixf方法的3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: transformViewport
import javax.media.opengl.GL2; //导入方法依赖的package包/类
public void transformViewport(GL2 gl, Vec2 center) {
Vec2 e = viewportTransform.getExtents();
Vec2 vc = viewportTransform.getCenter();
Mat22 vt = viewportTransform.getMat22Representation();
int f = viewportTransform.isYFlip() ? -1 : 1;
mat[0] = vt.ex.x;
mat[4] = vt.ey.x;
// mat[8] = 0;
mat[12] = e.x;
mat[1] = f * vt.ex.y;
mat[5] = f * vt.ey.y;
// mat[9] = 0;
mat[13] = e.y;
// mat[2] = 0;
// mat[6] = 0;
// mat[10] = 1;
// mat[14] = 0;
// mat[3] = 0;
// mat[7] = 0;
// mat[11] = 0;
// mat[15] = 1;
gl.glMultMatrixf(mat, 0);
gl.glTranslatef(center.x - vc.x, center.y - vc.y, 0);
}
示例2: transformViewport
import javax.media.opengl.GL2; //导入方法依赖的package包/类
public void transformViewport(GL2 gl, Vec2 center) {
Vec2 e = viewportTransform.getExtents();
Vec2 vc = viewportTransform.getCenter();
Mat22 vt = viewportTransform.getMat22Representation();
int f = viewportTransform.isYFlip() ? -1 : 1;
mat[0] = vt.ex.x;
mat[4] = vt.ey.x;
// mat[8] = 0;
mat[12] = e.x;
mat[1] = f * vt.ex.y;
mat[5] = f * vt.ey.y;
// mat[9] = 0;
mat[13] = e.y;
// mat[2] = 0;
// mat[6] = 0;
// mat[10] = 1;
// mat[14] = 0;
// mat[3] = 0;
// mat[7] = 0;
// mat[11] = 0;
// mat[15] = 1;
gl.glMultMatrixf(mat, 0);
gl.glTranslatef(center.x - vc.x, center.y - vc.y, 0);
}
示例3: draw
import javax.media.opengl.GL2; //导入方法依赖的package包/类
@Override
public void draw(GL2 gl) {
boolean lastFrame2D = wasLastFrame2D();
super.draw(gl);
// Clear the color-buffer to white:
gl.glClearColor(0x0, 0x0, 0x0, 0);
gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
this.setCamera(gl, this.glu, this.width, this.height);
// this.setLights(gl);
gl.glLoadIdentity();
if(state.is2DMode() != lastFrame2D) {
oldRotation = new FloatVector3D(0, 0, 0);
System.arraycopy(IDENTITY, 0, modelViewMatrix, 0, IDENTITY.length);
gl.glRotatef(-90, 1, 0, 0);
gl.glMultMatrixf(modelViewMatrix, 0);
gl.glGetFloatv(GL2.GL_MODELVIEW_MATRIX, modelViewMatrix, 0);
gl.glLoadIdentity();
}
FloatVector3D relativeRotation = new FloatVector3D(oldRotation);
relativeRotation.sub(state.getRotation());
// rotate the globe
gl.glRotatef(relativeRotation.getX(), 1, 0, 0);
gl.glRotatef(relativeRotation.getY(), 0, 1, 0);
// compute 'old' rotation
gl.glMultMatrixf(modelViewMatrix, 0);
// reset the rotations
oldRotation = new FloatVector3D(state.getRotation());
// store the current rotation in the GL-state
gl.glGetFloatv(GL2.GL_MODELVIEW_MATRIX, modelViewMatrix, 0);
this.drawEarth(gl);
}