private void calculateCameraPosition(float horizontalDistance, float verticalDistance) {
float theta = player.getRotY() + angleAroundPlayer;
float offsetX = (float) (horizontalDistance * Math.sin(Math.toRadians(theta)));
float offsetZ = (float) (horizontalDistance * Math.cos(Math.toRadians(theta)));
position.x = player.getPosition().x - offsetX;
position.z = player.getPosition().z - offsetZ;
position.y = player.getPosition().y + 1 + verticalDistance;
yaw = 180.0f - theta;
}
private void prepareInstance(Entity entity) {
Matrix4f transformationMatrix =
Maths.createTransformationMatrix(
entity.getPosition(),
entity.getRotX(),
entity.getRotY(),
entity.getRotZ(),
entity.getScale());
shader.loadTransformationMatrix(transformationMatrix);
shader.loadOffset(entity.getTextureXOffset(), entity.getTextureYOffset());
}
public void move() {
if (cameraMode == CameraMode.OVERHEAD) {
if (KeyboardHelper.isKeyDown(Keyboard.KEY_LEFT)) {
this.position.x -= OVERHEAD_CAMERA_MOVE_SPEED * DisplayManager.getFrameTimeSeconds();
}
if (KeyboardHelper.isKeyDown(Keyboard.KEY_RIGHT)) {
this.position.x += OVERHEAD_CAMERA_MOVE_SPEED * DisplayManager.getFrameTimeSeconds();
}
if (KeyboardHelper.isKeyDown(Keyboard.KEY_UP)) {
this.position.z -= OVERHEAD_CAMERA_MOVE_SPEED * DisplayManager.getFrameTimeSeconds();
}
if (KeyboardHelper.isKeyDown(Keyboard.KEY_DOWN)) {
this.position.z += OVERHEAD_CAMERA_MOVE_SPEED * DisplayManager.getFrameTimeSeconds();
}
this.yaw = 0;
this.pitch = 70;
this.position.y = world.getTerrain().getTerrainHeight(position.x, position.z) + cameraHeight;
} else if (cameraMode == CameraMode.FIRST_PERSON) {
Vector3f viewPos = player.getHardpointWorldPos("HP_VIEW");
if (viewPos == null) viewPos = player.getPosition();
this.position.x = viewPos.x;
this.position.y = viewPos.y;
this.position.z = viewPos.z;
this.pitch = player.rotX;
this.yaw = 180.0f - player.rotY;
} else if (cameraMode == CameraMode.THIRD_PERSON) {
calculateZoom();
calculatePitch();
calculateAngleAroundPlayer();
float horizontalDistance = calculateHorizontalDistance();
float verticalDistance = calculateVerticalDistance();
calculateCameraPosition(horizontalDistance, verticalDistance);
}
}