The-Powder-Toy/src/simulation/elements/REPL.cpp

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_REPL PT_REPL 160
Element_REPL::Element_REPL()
{
    Identifier = "DEFAULT_PT_REPL";
    Name = "RPEL";
    Colour = PIXPACK(0x99CC00);
    MenuVisible = 1;
    MenuSection = SC_FORCE;
    Enabled = 1;
    
    Advection = 0.0f;
    AirDrag = 0.00f * CFDS;
    AirLoss = 0.90f;
    Loss = 0.00f;
    Collision = 0.0f;
    Gravity = 0.0f;
    Diffusion = 0.00f;
    HotAir = 0.000f  * CFDS;
    Falldown = 0;
    
    Flammable = 0;
    Explosive = 0;
    Meltable = 0;
    Hardness = 1;
    
    Weight = 100;
    
    Temperature = 20.0f+0.0f  +273.15f;
    HeatConduct = 0;
    Description = "Repel or attract particles based on temp value.";
    
    State = ST_NONE;
    Properties = TYPE_SOLID;
    
    LowPressure = IPL;
    LowPressureTransition = NT;
    HighPressure = IPH;
    HighPressureTransition = NT;
    LowTemperature = ITL;
    LowTemperatureTransition = NT;
    HighTemperature = ITH;
    HighTemperatureTransition = NT;
    
    Update = &Element_REPL::update;
    
}

//#TPT-Directive ElementHeader Element_REPL static int update(UPDATE_FUNC_ARGS)
int Element_REPL::update(UPDATE_FUNC_ARGS)
 {
	int r, rx, ry, ri;
	for(ri = 0; ri <= 10; ri++)
	{
		rx = (rand()%20)-10;
		ry = (rand()%20)-10;
		if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
		{
			r = pmap[y+ry][x+rx];
			if (!r)
				r = sim->photons[y+ry][x+rx];

			if (r && !(sim->elements[r&0xFF].Properties & TYPE_SOLID)){
				parts[r>>8].vx += isign(rx)*((parts[i].temp-273.15)/10.0f);
				parts[r>>8].vy += isign(ry)*((parts[i].temp-273.15)/10.0f);
			}
		}
	}
	return 0;
}


Element_REPL::~Element_REPL() {}