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2014/10/16 ¤W¤È 08:18:30

android Programming Glossary: mangle

Is Google's Android OpenGL tutorial teaching incorrect linear algebra?

http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra

for the triangle Matrix.setRotateM mRotationMatrix 0 mAngle 0 0 1.0f Combine the rotation matrix with the projection and..

OpenGL ES Android Matrix Transformations

http://stackoverflow.com/questions/13480043/opengl-es-android-matrix-transformations

0 0.1f 0f 0 Matrix.rotateM mModelMatrix 0 mTriangle.mAngle 0 0 1.0f Matrix.multiplyMM tempMatrix 0 mVMatrix 0 mProjMatrix.. ratio 1 1 3 7 public class GLShip public volatile float mAngle private final String vertexShaderCode This matrix member variable.. are that on each redrawing the object would be rotated by mAngle and traslated along Y Axis by 1f. I can see only rotating a..

Overlay images onto Camera preview SurfaceView

http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview

public boolean onTrackballEvent MotionEvent e cr.mAngleX e.getX TRACKBALL_SCALE_FACTOR cr.mAngleY e.getY TRACKBALL_SCALE_FACTOR.. e cr.mAngleX e.getX TRACKBALL_SCALE_FACTOR cr.mAngleY e.getY TRACKBALL_SCALE_FACTOR requestRender return true @Override.. float dx x mPreviousX float dy y mPreviousY cr.mAngleX dx TOUCH_SCALE_FACTOR cr.mAngleY dy TOUCH_SCALE_FACTOR requestRender..

Is Google's Android OpenGL tutorial teaching incorrect linear algebra?

http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra

of the MVPMatrix This seems a little weird. Create a rotation for the triangle Matrix.setRotateM mRotationMatrix 0 mAngle 0 0 1.0f Combine the rotation matrix with the projection and camera view Matrix.multiplyMM mMVPMatrix 0 mRotationMatrix..

OpenGL ES Android Matrix Transformations

http://stackoverflow.com/questions/13480043/opengl-es-android-matrix-transformations

Matrix.setIdentityM mModelMatrix 0 Matrix.translateM mModelMatrix 0 0.1f 0f 0 Matrix.rotateM mModelMatrix 0 mTriangle.mAngle 0 0 1.0f Matrix.multiplyMM tempMatrix 0 mVMatrix 0 mProjMatrix 0 Matrix.multiplyMM mMVPMatrix 0 mModelMatrix 0 tempMatrix.. in the onDrawFrame method Matrix.frustumM mProjMatrix 0 ratio ratio 1 1 3 7 public class GLShip public volatile float mAngle private final String vertexShaderCode This matrix member variable provides a hook to manipulate the coordinates of the objects.. mPositionHandle My expectations are that on each redrawing the object would be rotated by mAngle and traslated along Y Axis by 1f. I can see only rotating a bit projected too though. I actually got some questions regarding..

Overlay images onto Camera preview SurfaceView

http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview

this.getHolder .setFormat PixelFormat.TRANSPARENT public boolean onTrackballEvent MotionEvent e cr.mAngleX e.getX TRACKBALL_SCALE_FACTOR cr.mAngleY e.getY TRACKBALL_SCALE_FACTOR requestRender return true @Override public boolean.. PixelFormat.TRANSPARENT public boolean onTrackballEvent MotionEvent e cr.mAngleX e.getX TRACKBALL_SCALE_FACTOR cr.mAngleY e.getY TRACKBALL_SCALE_FACTOR requestRender return true @Override public boolean onTouchEvent MotionEvent e float x e.getX.. float y e.getY switch e.getAction case MotionEvent.ACTION_MOVE float dx x mPreviousX float dy y mPreviousY cr.mAngleX dx TOUCH_SCALE_FACTOR cr.mAngleY dy TOUCH_SCALE_FACTOR requestRender mPreviousX x mPreviousY y return true private..