C++ Matrix34::rotateX方法代码示例

void Node::draw( 
const Matrix44& pvm,
const Matrix34& parentWm,
const Vector3& lightVector,
const Vector3& lightColor,
const Vector3& ambient ) const {
	Matrix34 wm;
	wm.setTranslation( mTranslation );
	wm.rotateY( mRotation.y );
	wm.rotateX( mRotation.x );
	wm.rotateZ( mRotation.z );
	wm.scale( mScale );

	wm.setMul( parentWm, wm );

	if ( mBatch ){
		mBatch->draw( 
			pvm,
			wm,
			lightVector,
			lightColor,
			ambient,
			mColor );
	}
	//子へ受け継ぐ
	for ( int i = 0; i < mChildNumber; ++i ){
		ASSERT( mChildren[ i ] ); //0が入ってたら異常。
		mChildren[ i ]->draw(
			pvm,
			wm,
			lightVector,
			lightColor,
			ambient );
	}
}

void Bullet::update( const Vector3& enemyPos ){
	//敵の方に向ける。
	Vector3 dir;
	Vector3 p = *mModel->getPosition();
	Vector3 a = *mModel->getAngle();
	if ( mHoming ){
		dir.setSub( enemyPos, *mModel->getPosition() ); //自分から敵へ
		//Y軸角度はatan2( x, z )。
		float ty = atan2( dir.x, dir.z );
		//180度以上差があれば+-360度して逆回し
		if ( ty - a.y > 180.f ){
			ty -= 2.f * 180.f;
		}else if ( a.y - ty > 180.f ){
			ty += 2.f * 180.f;
		}
		//X軸角度はY/(X,Z)。
		float zxLength = sqrt( dir.x * dir.x + dir.z * dir.z );
		float tx = atan2( dir.y, zxLength );
		//X軸角度はそもそも範囲が(-90,90)で180度以上離れることはない。そのままで良い。
		float hx = mHomingX;
		float hy = mHomingY; 
		//ホーミング範囲内ならそのものに
		if ( tx - a.x < hx && a.x - tx < hx ){
			a.x = tx;
		}else if ( tx < a.x ){
			a.x -= hx;
		}else{
			a.x += hx;
		}
		if ( ty - a.y < hy && a.y - ty < hy ){
			a.y = ty;
		}else if ( ty < a.y ){
			a.y -= hy;
		}else{
			a.y += hy;
		}
	}
	//おもろいのでz回転つけとくか
	a.z += 20.0;
	//角度更新
	mModel->setAngle( a );
	//位置はこの方向の回転行列で(0,0,1)を変換して足してやる
	Vector3 v( 0.0, 0.0, mSpeed );
	Matrix34 m;
	m.setRotationY( a.y );
	m.rotateX( -a.x );
	m.mul( &v, v );
	p += v;
	mModel->setPosition( p );
	++mCount;
	if ( mCount >= mLife ){
		mCount = -1;
	}
}

void Model::draw() const {
	Matrix34 wm;
	wm.setTranslation( mPosition );
	wm.rotateY( mAngle.y );
	wm.rotateX( mAngle.x );
	wm.rotateZ( mAngle.z );
	wm.scale( mScale );

	GameLib::Graphics::Manager::instance().setWorldMatrix( wm );
	mBatch->draw();
}

void Model::draw( const Matrix44& pvm ) const {
	Matrix34 wm;
	wm.setTranslation( mPosition );
	wm.rotateY( mAngle.y );
	wm.rotateX( mAngle.x );
	wm.rotateZ( mAngle.z );
	wm.scale( mScale );

	Matrix44 transform;
	transform.setMul( pvm, wm );

	mBatch->draw( transform );
}

void Tree::draw(
const Matrix44& pvm,
const Vector3& lightVector,
const Vector3& lightColor,
const Vector3& ambient ) const {
	Matrix34 wm;
	wm.setTranslation( mPosition );
	wm.rotateY( mAngle.y );
	wm.rotateX( mAngle.x );
	wm.rotateZ( mAngle.z );
	wm.scale( mScale );

	//根ノードへ渡す
	if ( mNodes ){
		mNodes[ 0 ].draw(
			pvm,
			wm,
			lightVector,
			lightColor,
			ambient );
	}
}

	void Framework::update(){

		WindowCreator wc = WindowCreator::instance();
		if ( gFirst ){
			const char* filename = wc.commandLineString();
			if ( filename && filename[ 0 ] != '\0' ){
				load( filename );
			}
			gFirst = false;
		}else{
			//ドラッグアンドドロップを処理する
			int dropN = wc.droppedItemNumber();
			if ( dropN > 0 ){
				const char* filename = wc.droppedItem( 0 ); //0番以外無視
				load( filename );
				wc.clearDroppedItem(); //これを呼ぶとfilenameもこわれるので最後に。
			}
		}
		
		//カメラ入力反映
		Input::Manager im = Input::Manager::instance();
		Input::Mouse mouse = im.mouse();
		Input::Keyboard keyboard = im.keyboard();
		if ( mouse.isOn( Input::Mouse::BUTTON_MIDDLE ) ){
			Graphics::Manager().captureScreen( "capture.tga" );
		}
		//ビュー行列を作ろう
		Vector3 eyePosition = gEyeTarget;
		eyePosition.z += gEyeDistance;

		Matrix34 rm;
		rm.setRotationY( gAngleY );
		rm.rotateX( gAngleX );
		Vector3 tv( 0.f, 0.f, 1.f );
		rm.mul( &tv, tv );
		eyePosition.setMadd( gEyeTarget, tv, gEyeDistance );
		Matrix34 zrm;
		zrm.setRotationZ( gAngleZ );
		Vector3 up( 0.f, 1.f, 0.f );
		zrm.mul( &up, up );

		Matrix34 vm;
		vm.setViewTransform( eyePosition, gEyeTarget, up );
		if ( gContainer ){
			float x = static_cast< float >( mouse.velocityX() );
			float y = static_cast< float >( mouse.velocityY() );
			if ( mouse.isOn( Input::Mouse::BUTTON_LEFT ) && mouse.isOn( Input::Mouse::BUTTON_RIGHT ) ){ //両ボタンでZ回転
				gAngleZ -= 0.2f * x;
				gAngleZ -= 0.2f * y;
			}else if ( mouse.isOn( Input::Mouse::BUTTON_LEFT ) ){ //左ボタン回転
				gAngleX -= 0.2f * y;
				if ( gAngleX > 89.9f ){
					gAngleX = 89.9f;
				}else if ( gAngleX < -89.9f ){
					gAngleX = -89.9f;
				}
				gAngleY -= 0.5f * x;
			}else if ( mouse.isOn( Input::Mouse::BUTTON_RIGHT ) ){ //右ボタン、注視点移動
				Vector3 xv( vm.m00, vm.m01, vm.m02 );
				xv *= x;
				Vector3 yv( vm.m10, vm.m11, vm.m12 );
				yv *= y;
				gEyeTarget.madd( xv, -0.003f * gEyeDistance );
				gEyeTarget.madd( yv, 0.003f * gEyeDistance );
			}
			int w = mouse.wheel();
			if ( w < 0 ){
				gEyeDistance *= 0.9f;
			}else if ( w > 0 ){
				gEyeDistance *= 1.1f;
			}
		}
		//透視変換行列
		Matrix44 pm;
		pm.setPerspectiveTransform( 
			60.f, 
			static_cast< float >( width() ),
			static_cast< float >( height() ),
			gEyeDistance * 0.01f, gEyeDistance * 10.f );
		//次にPVを作る
		pm *= vm;
	
		if ( keyboard.isOn( 'G' ) ){
			gAngleX = gAngleY = gAngleZ = 0.f;
			gEyeTarget = 0.f;
		}

		//ライトでもうごかそか
		Graphics::Manager gm = Graphics::Manager::instance(); 
		gm.setProjectionViewMatrix( pm );
		gm.setLightingMode( LIGHTING_PER_PIXEL );
		gm.enableDepthTest( true );
		gm.enableDepthWrite( true );
		gm.setLightColor( 0, Vector3( 1.f, 1.f, 1.f ) ); //白
		gm.setLightColor( 1, Vector3( 1.f, 0.7f, 0.7f ) ); //赤
		gm.setLightColor( 2, Vector3( 0.7f, 1.f, 0.7f ) ); //緑
		gm.setLightColor( 3, Vector3( 0.7f, 0.7f, 1.f ) ); //青
		gm.setAmbientColor( Vector3( 0.2f, 0.2f, 0.2f ) );
		gm.setEyePosition( eyePosition );
		float t = gEyeDistance * 0.4f;
//.........这里部分代码省略.........