metaforce/Runtime/Particle/CEmitterElement.cpp

74 lines
2.0 KiB
C++

#include "CEmitterElement.hpp"
#include "CRandom16.hpp"
/* Documentation at: https://wiki.axiodl.com/w/Particle_Script#Emitter_Elements */
namespace urde {
bool CEESimpleEmitter::GetValue(int frame, zeus::CVector3f& pPos, zeus::CVector3f& pVel) const {
x4_loc->GetValue(frame, pPos);
if (x8_vec)
x8_vec->GetValue(frame, pVel);
else
pVel = zeus::CVector3f();
return false;
}
bool CVESphere::GetValue(int frame, zeus::CVector3f& pPos, zeus::CVector3f& pVel) const {
zeus::CVector3f a;
x4_sphereOrigin->GetValue(frame, a);
float b;
x8_sphereRadius->GetValue(frame, b);
CRandom16* rand = CRandom16::GetRandomNumber();
int rand1 = rand->Range(-100, 100);
int rand2 = rand->Range(-100, 100);
int rand3 = rand->Range(-100, 100);
zeus::CVector3f normVec1 =
zeus::CVector3f(0.0099999998f * float(rand3), 0.0099999998f * float(rand2), 0.0099999998f * float(rand1));
if (normVec1.canBeNormalized())
normVec1.normalize();
pPos = b * normVec1 + a;
zeus::CVector3f normVec2 = (pPos - a);
if (normVec2.canBeNormalized())
normVec2.normalize();
float c;
xc_velocityMag->GetValue(frame, c);
pVel = c * normVec2;
return false;
}
bool CVEAngleSphere::GetValue(int frame, zeus::CVector3f& pPos, zeus::CVector3f& pVel) const {
zeus::CVector3f a;
x4_sphereOrigin->GetValue(frame, a);
float b, d, e, f, g;
x8_sphereRadius->GetValue(frame, b);
x10_angleXBias->GetValue(frame, d);
x14_angleYBias->GetValue(frame, e);
x18_angleXRange->GetValue(frame, f);
x1c_angleYRange->GetValue(frame, g);
CRandom16* rand = CRandom16::GetRandomNumber();
d = zeus::degToRad(d + ((0.5f * (f * rand->Float())) - f));
e = zeus::degToRad(e + ((0.5f * (g * rand->Float())) - g));
float cosD = std::cos(d);
pPos.x() = a.x() + (b * (-std::sin(e) * cosD));
pPos.y() = a.y() + (b * std::sin(d));
pPos.z() = a.z() + (b * (cosD * cosD));
zeus::CVector3f normVec = (pPos - a).normalized();
float c;
xc_velocityMag->GetValue(frame, c);
pVel = c * normVec;
return false;
}
} // namespace urde