//---------------------------------
//
//---------------------------------
void Matrix4::SetRotation(const RotAxis& rot)
{
float c = static_cast<float>( DegCos( static_cast<float>( rot.Angle() ) ) );
float s = static_cast<float>( DegSin( static_cast<float>( rot.Angle() ) ) );
float values[16] = {
rot.Axis().X() * rot.Axis().X() * ( 1 - c ) + c,
rot.Axis().X() * rot.Axis().Y() * ( 1 - c ) + rot.Axis().Z() * s,
rot.Axis().X() * rot.Axis().Z() * ( 1 - c ) - rot.Axis().Y() * s,
0,
rot.Axis().X() * rot.Axis().Y() * ( 1 - c ) - rot.Axis().Z() * s,
rot.Axis().Y() * rot.Axis().Y() * ( 1 - c ) + c,
rot.Axis().Y() * rot.Axis().Z() * ( 1 - c ) + rot.Axis().X() * s,
0,
rot.Axis().X() * rot.Axis().Z() * ( 1 - c ) + rot.Axis().Y() * s,
rot.Axis().Y() * rot.Axis().Z() * ( 1 - c ) - rot.Axis().X() * s,
rot.Axis().Z() * rot.Axis().Z() * ( 1 - c ) + c,
0,
0,
0,
0,
1
};
Set( values );
}
void CEnemyStateMoving::Update(double elapsed){
m_timeToShoot += elapsed;
double playerX = m_spritePlayer->GetX();
double playerY = m_spritePlayer->GetY();
double enemyX = m_sprite->GetX();
double enemyY = m_sprite->GetY();
double angle = m_sprite->GetAngle();
double distance = Distance(playerX, playerY, enemyX, enemyY);
//Giramos al sprite en direccion al contrincante
double ux = (playerX - enemyX) / distance;
double uy = (playerY - enemyY) / distance;
double dot = - ux *DegSin(angle) - uy * DegCos(angle);
double angBetweenSprites = DegACos(ux *DegCos(angle) - uy * DegSin(angle));
//Pedimos la velocidad
MGetSpeeds gsmsg;
m_entity->SendMessage(&gsmsg);
//Calculamos hacia donde debe rotar
if (!m_sprite->IsRotating()){
if (dot >= 0){
m_sprite->RotateTo((int32)(angle + angBetweenSprites), gsmsg.rotationSpeed);
}
else{
m_sprite->RotateTo((int32)(angle - angBetweenSprites), gsmsg.rotationSpeed);
}
}
//Avanzamos o retrocedemos manteniendo una distancia de seguridad
if (distance < 210){
if (!m_sprite->IsMoving()){
m_sprite->MoveDown(210 - distance, gsmsg.linearSpeed);
}
}
else if (distance > 250) {
if (!m_sprite->IsMoving()){
m_sprite->MoveUp(distance - 250, gsmsg.linearSpeed);
}
}
//Cada cierto tiempo dispara una bala
if (m_timeToShoot > 2){
m_stateMachine->ChangeState(ESTATE_ENEMY_SHOOTING);
m_sprite->SetIsMoving(false);
}
}
void CMissile::Run() {
double x = this->GetX();
double y = this->GetY();
x += m_speed * Screen::Instance().ElapsedTime() * DegCos(m_angle);
y += m_speed * Screen::Instance().ElapsedTime() * -DegSin(m_angle);
if (x - m_radius <= 0 || x + m_radius >= Screen::Instance().GetWidth() || y - m_radius <= 0 || y + m_radius >= Screen::Instance().GetHeight())
SetDestroy(true);
else
SetPosition(x, y);
}
//Sprite es de la entidad de donde sale la bala
void CWeapon1Movement::Init(Sprite* sprite, double vel){
double centerX = sprite->GetX();
double centerY = sprite->GetY();
double angle = sprite->GetAngle();
double width = sprite->GetImage()->GetWidth(); //por la scala si queda grande la bala a su escala original
double height = sprite->GetImage()->GetHeight();
//Calculamos el punto desde donde sale el disparo y la direccion 0.4 como offset
double initX = centerX + (0 * DegCos(360 - angle + 90) + width * 0.4 * DegSin(360 - angle + 90));
double initY = centerY - (0 * DegSin(angle - 360 - 90) + height * 0.4 * DegCos(360 - angle + 90));
//Cambiamos el punto donde se pintara la bala al iniciarse
MGetSprite gsmsg;
m_owner->SendMessage(&gsmsg);
gsmsg.sprite->SetX(initX);
gsmsg.sprite->SetY(initY);
gsmsg.sprite->SetAngle(angle);
//Inicializamos el movimiento de la bala
m_initX = initX;
m_initY = initY;
m_velocity = vel;
m_dirX = initX - centerX;
m_dirY = initY - centerY;
}
void Renderer::DrawEllipse(double x, double y, double xradius, double yradius) const {
GLdouble vertices[ELLIPSEPOINTS*2];
for ( uint32 i = 0; i < ELLIPSEPOINTS; i++ ) {
vertices[i*2] = x + (DegCos(i * 360.0 / ELLIPSEPOINTS) * xradius);
vertices[i*2+1] = y + (DegSin(i * 360.0 / ELLIPSEPOINTS) * yradius);
}
GLdouble texCoords[ELLIPSEPOINTS*2];
memset(texCoords, 0, ELLIPSEPOINTS*2*sizeof(GLdouble));
glBindTexture(GL_TEXTURE_2D, 0);
glVertexPointer(2, GL_DOUBLE, 0, vertices);
glTexCoordPointer(2, GL_DOUBLE, 0, texCoords);
glDrawArrays(GL_TRIANGLE_FAN, 0, ELLIPSEPOINTS);
}
ITreeNode::TResult CalculateAvoidanceDestiny::Run()
{
Entity * enemy;
context->GetValueEntity(TreeContext::KEY_THREAT, &enemy);
Vec2D direction, threat;
float projection;
direction.x = DegCos(owner->rotation - 90)*linearSpeed;
direction.y = DegSin(owner->rotation - 90)*-linearSpeed;
threat.x = enemy->x - owner->x;
threat.y = enemy->y - owner->y;
projection=threat.Dot(direction);
direction.normalize();
return TResult();
}