CSimplePhysics::Simulate

/* CSimplePhysics::Simulate(CSimplePhysics::CNode*, int, CSimplePhysics::IHelper*, float, float) */

void __thiscall
CSimplePhysics::Simulate
          (CSimplePhysics *this,CNode *param_1,int param_2,IHelper *param_3,float param_4,
          float param_5)

{
  float fVar1;
  float fVar2;
  float fVar3;
  float fVar4;
  float fVar5;
  int iVar6;
  int iVar7;
  CNode *pCVar8;
  CNode *pCVar9;
  CNode *pCVar10;
  CNode *pCVar11;
  int iVar12;
  int iVar13;
  double dVar14;
  float fVar15;
  double dVar16;
  int local_3c;
  float local_28;
  float local_24;
  float local_20;
  
  dVar16 = (double)param_4 + *(double *)this;
  fVar15 = *(float *)(this + 0xc);
  dVar14 = (double)fVar15;
  *(double *)this = dVar16;
  iVar6 = (int)(dVar16 / dVar14);
  iVar7 = iVar6 + 1;
  if (dVar16 / dVar14 <= (double)iVar6) {
    iVar7 = iVar6;
  }
  iVar6 = *(int *)(this + 8);
  if (0 < iVar7 - iVar6) {
    local_3c = 0;
    do {
      if (0 < param_2) {
        pCVar8 = param_1 + 0xc;
        pCVar10 = param_1;
        iVar12 = 0;
        pCVar11 = param_1 + 0xc;
        do {
          iVar13 = iVar12 + 1;
          (*(code *)**(undefined4 **)param_3)(param_3,param_1,iVar12,&local_28);
          fVar15 = *(float *)(pCVar10 + 4);
          fVar1 = *(float *)(this + 0x10);
          fVar2 = *(float *)(pCVar10 + 8);
          fVar3 = *(float *)pCVar10;
          fVar4 = *(float *)(pCVar11 + 8);
          fVar5 = *(float *)pCVar11;
          *(float *)(pCVar10 + 4) =
               local_24 * fVar1 + fVar15 + (fVar15 - *(float *)(pCVar11 + 4)) * param_5;
          *(float *)(pCVar10 + 8) = local_20 * fVar1 + fVar2 + (fVar2 - fVar4) * param_5;
          *(float *)pCVar10 = fVar1 * local_28 + fVar3 + (fVar3 - fVar5) * param_5;
          *(float *)pCVar8 = fVar3;
          *(float *)(pCVar8 + 4) = fVar15;
          *(float *)(pCVar8 + 8) = fVar2;
          pCVar8 = pCVar8 + 0x24;
          pCVar10 = pCVar10 + 0x24;
          iVar12 = iVar13;
          pCVar11 = pCVar11 + 0x24;
        } while (iVar13 != param_2);
      }
      (**(code **)(*(int *)param_3 + 4))(param_3,param_1,param_2);
      local_3c = local_3c + 1;
    } while (local_3c != iVar7 - iVar6);
    fVar15 = *(float *)(this + 0xc);
    dVar16 = *(double *)this;
    dVar14 = (double)fVar15;
  }
  *(int *)(this + 8) = iVar7;
  fVar15 = (float)(((dVar16 + dVar14) - (double)((float)iVar7 * fVar15)) / dVar14);
  if (0 < param_2) {
    pCVar8 = param_1;
    pCVar10 = param_1 + 0xc;
    pCVar11 = param_1 + 0x18;
    do {
      pCVar9 = pCVar8 + 0x24;
      *(float *)pCVar11 = (*(float *)pCVar8 - *(float *)pCVar10) * fVar15 + *(float *)pCVar10;
      *(float *)(pCVar11 + 4) =
           (*(float *)(pCVar8 + 4) - *(float *)(pCVar10 + 4)) * fVar15 + *(float *)(pCVar10 + 4);
      *(float *)(pCVar11 + 8) =
           (*(float *)(pCVar8 + 8) - *(float *)(pCVar10 + 8)) * fVar15 + *(float *)(pCVar10 + 8);
      pCVar8 = pCVar9;
      pCVar10 = pCVar10 + 0x24;
      pCVar11 = pCVar11 + 0x24;
    } while (pCVar9 != param_1 + param_2 * 0x24);
  }
  return;
}