public Matrix4f getTransformation() {
Matrix4f translationMatrix = new Matrix4f().translation(translation);
Matrix4f scaleMatrix = new Matrix4f().scale(scale);
Matrix4f rotationMatrix = new Matrix4f().rotate(rotation);
return translationMatrix.mul(rotationMatrix.mul(scaleMatrix));
}
public Matrix4f getViewProjection() {
Matrix4f cameraRotation = new Matrix4f().initRotation(forward, up);
Matrix4f cameraTranslation =
new Matrix4f().initTranslation(-pos.getX(), -pos.getY(), -pos.getZ());
return projection.mul(cameraRotation.mul(cameraTranslation));
}
public Matrix4f getTransformation() {
Matrix4f translationMatrix =
new Matrix4f().initTranslation(translation.getX(), translation.getY(), translation.getZ());
Matrix4f rotationMatrix =
new Matrix4f().initRotation(rotation.getX(), rotation.getY(), rotation.getZ());
Matrix4f scaleMatrix = new Matrix4f().initScale(scale.getX(), scale.getY(), scale.getZ());
return translationMatrix.mul(rotationMatrix.mul(scaleMatrix));
}
public Matrix4f getProjectedTransformation() {
Matrix4f transformationMatrix = getTransformation();
Matrix4f projectionMatrix = new Matrix4f().initProjection(fov, width, height, zNear, zFar);
Matrix4f cameraRotation = new Matrix4f().initCamera(camera.getForward(), camera.getUp());
Matrix4f cameraTranslation =
new Matrix4f()
.initTranslation(
-camera.getPos().getX(), -camera.getPos().getY(), -camera.getPos().getZ());
return projectionMatrix.mul(cameraRotation.mul(cameraTranslation.mul(transformationMatrix)));
}
public void run() {
adjustToScreenSize =
(float)
Math.min(
jframe.getWidth(),
jframe.getHeight()); // used here, since you can change the screen-Size
Matrix4f newTranslation = new Matrix4f();
newTranslation.setIdentity();
Matrix4f oldcTranslation = new Matrix4f();
oldcTranslation = camera.getCameraMatrix();
// world z-Axis-turn
if (mouseWorldTurn != null) {
newTranslation.mul(mouseWorldTurn);
mouseWorldTurn.setIdentity();
}
// camera x-Axis-turn
if (mouseTurn != null) {
newTranslation.mul(mouseTurn);
mouseTurn.setIdentity();
}
// camera movement
if (keyMove != null) {
newTranslation.mul(keyMove);
keyMove.setIdentity();
}
newTranslation.mul(oldcTranslation);
camera.setCameraMatrix(newTranslation);
// something still appears to be wrong while turning
// Trigger redrawing of the render window
renderPanel.getCanvas().repaint();
}
private void setTransformation(Matrix4f transformation) {
// Compute the modelview matrix by multiplying the camera matrix and
// the transformation matrix of the object
Matrix4f modelview = new Matrix4f(sceneManager.getCamera().getCameraMatrix());
modelview.mul(transformation);
// Set modelview and projection matrices in shader
gl.glUniformMatrix4fv(
gl.glGetUniformLocation(activeShaderID, "modelview"),
1,
false,
transformationToFloat16(modelview),
0);
gl.glUniformMatrix4fv(
gl.glGetUniformLocation(activeShaderID, "projection"),
1,
false,
transformationToFloat16(sceneManager.getFrustum().getProjectionMatrix()),
0);
}
public Matrix4f initRotation(float x, float y, float z) {
Matrix4f rx = new Matrix4f();
Matrix4f ry = new Matrix4f();
Matrix4f rz = new Matrix4f();
x = (float) Math.toRadians(x);
y = (float) Math.toRadians(y);
z = (float) Math.toRadians(z);
rz.m[0][0] = (float) Math.cos(z);
rz.m[0][1] = -(float) Math.sin(z);
rz.m[0][2] = 0;
rz.m[0][3] = 0;
rz.m[1][0] = (float) Math.sin(z);
rz.m[1][1] = (float) Math.cos(z);
rz.m[1][2] = 0;
rz.m[1][3] = 0;
rz.m[2][0] = 0;
rz.m[2][1] = 0;
rz.m[2][2] = 1;
rz.m[2][3] = 0;
rz.m[3][0] = 0;
rz.m[3][1] = 0;
rz.m[3][2] = 0;
rz.m[3][3] = 1;
rx.m[0][0] = 1;
rx.m[0][1] = 0;
rx.m[0][2] = 0;
rx.m[0][3] = 0;
rx.m[1][0] = 0;
rx.m[1][1] = (float) Math.cos(x);
rx.m[1][2] = -(float) Math.sin(x);
rx.m[1][3] = 0;
rx.m[2][0] = 0;
rx.m[2][1] = (float) Math.sin(x);
rx.m[2][2] = (float) Math.cos(x);
rx.m[2][3] = 0;
rx.m[3][0] = 0;
rx.m[3][1] = 0;
rx.m[3][2] = 0;
rx.m[3][3] = 1;
ry.m[0][0] = (float) Math.cos(y);
ry.m[0][1] = 0;
ry.m[0][2] = -(float) Math.sin(y);
ry.m[0][3] = 0;
ry.m[1][0] = 0;
ry.m[1][1] = 1;
ry.m[1][2] = 0;
ry.m[1][3] = 0;
ry.m[2][0] = (float) Math.sin(y);
ry.m[2][1] = 0;
ry.m[2][2] = (float) Math.cos(y);
ry.m[2][3] = 0;
ry.m[3][0] = 0;
ry.m[3][1] = 0;
ry.m[3][2] = 0;
ry.m[3][3] = 1;
m = rz.mul(ry.mul(rx)).getM();
return this;
}
