HRESULT CPartEmitter::AddForce(char *Name, CPartForce::TForceType Type, int PosX, int PosY, float Angle, float Strength) {
CPartForce *Force = AddForceByName(Name);
if (!Force) return E_FAIL;
Force->m_Type = Type;
Force->m_Pos = Vector2(PosX, PosY);
Force->m_Direction = Vector2(0, Strength);
Matrix4 MatRot;
MatRot.RotationZ(DegToRad(CBUtils::NormalizeAngle(Angle - 180)));
MatRot.TransformVector2(Force->m_Direction);
return S_OK;
}
HRESULT CPartEmitter::InitParticle(CPartParticle* Particle, DWORD CurrentTime, DWORD TimerDelta)
{
if(!Particle) return E_FAIL;
if(m_Sprites.GetSize()==0) return E_FAIL;
int PosX = CBUtils::RandomInt(m_PosX, m_PosX + m_Width);
int PosY = CBUtils::RandomInt(m_PosY, m_PosY + m_Height);
float PosZ = CBUtils::RandomFloat(0.0f, 100.0f);
float Velocity;
if(m_VelocityZBased) Velocity = m_Velocity1 + PosZ * (m_Velocity2 - m_Velocity1) / 100;
else Velocity = CBUtils::RandomFloat(m_Velocity1, m_Velocity2);
float Scale;
if(m_ScaleZBased) Scale = m_Scale1 + PosZ * (m_Scale2 - m_Scale1) / 100;
else Scale = CBUtils::RandomFloat(m_Scale1, m_Scale2);
int LifeTime;
if(m_LifeTimeZBased) LifeTime = m_LifeTime2 - PosZ * (m_LifeTime2 - m_LifeTime1) / 100;
else LifeTime = CBUtils::RandomInt(m_LifeTime1, m_LifeTime2);
float Angle = CBUtils::RandomAngle(m_Angle1, m_Angle2);
int SpriteIndex = CBUtils::RandomInt(0, m_Sprites.GetSize() - 1);
float Rotation = CBUtils::RandomAngle(m_Rotation1, m_Rotation2);
float AngVelocity = CBUtils::RandomFloat(m_AngVelocity1, m_AngVelocity2);
float GrowthRate = CBUtils::RandomFloat(m_GrowthRate1, m_GrowthRate2);
if(!CBPlatform::IsRectEmpty(&m_Border))
{
int ThicknessLeft = m_BorderThicknessLeft - (float)m_BorderThicknessLeft * PosZ / 100.0f;
int ThicknessRight = m_BorderThicknessRight - (float)m_BorderThicknessRight * PosZ / 100.0f;
int ThicknessTop = m_BorderThicknessTop - (float)m_BorderThicknessTop * PosZ / 100.0f;
int ThicknessBottom = m_BorderThicknessBottom - (float)m_BorderThicknessBottom * PosZ / 100.0f;
Particle->m_Border = m_Border;
Particle->m_Border.left += ThicknessLeft;
Particle->m_Border.right -= ThicknessRight;
Particle->m_Border.top += ThicknessTop;
Particle->m_Border.bottom -= ThicknessBottom;
}
Vector2 VecPos((float)PosX, (float)PosY);
Vector2 VecVel(0, Velocity);
Matrix4 MatRot;
MatRot.RotationZ(DegToRad(CBUtils::NormalizeAngle(Angle - 180)));
MatRot.TransformVector2(VecVel);
if(m_AlphaTimeBased)
{
Particle->m_Alpha1 = m_Alpha1;
Particle->m_Alpha2 = m_Alpha2;
}
else
{
int Alpha = CBUtils::RandomInt(m_Alpha1, m_Alpha2);
Particle->m_Alpha1 = Alpha;
Particle->m_Alpha2 = Alpha;
}
Particle->m_CreationTime = CurrentTime;
Particle->m_Pos = VecPos;
Particle->m_PosZ = PosZ;
Particle->m_Velocity = VecVel;
Particle->m_Scale = Scale;
Particle->m_LifeTime = LifeTime;
Particle->m_Rotation = Rotation;
Particle->m_AngVelocity = AngVelocity;
Particle->m_GrowthRate = GrowthRate;
Particle->m_ExponentialGrowth = m_ExponentialGrowth;
Particle->m_IsDead = FAILED(Particle->SetSprite(m_Sprites[SpriteIndex]));
Particle->FadeIn(CurrentTime, m_FadeInTime);
if(Particle->m_IsDead) return E_FAIL;
else return S_OK;
}