1 files changed, 101 insertions, 0 deletions

diff --git a/src/simulation/elements/GRAV.cpp b/src/simulation/elements/GRAV.cpp
new file mode 100644
index 0000000..ea8ff4d
--- /dev/null
+++ b/src/simulation/elements/GRAV.cpp
@@ -0,0 +1,101 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_GRAV PT_GRAV 102
+Element_GRAV::Element_GRAV()
+{
+    Identifier = "DEFAULT_PT_GRAV";
+    Name = "GRAV";
+    Colour = PIXPACK(0xFFE0A0);
+    MenuVisible = 1;
+    MenuSection = SC_POWDERS;
+    Enabled = 1;
+    
+    Advection = 0.7f;
+    AirDrag = 0.00f * CFDS;
+    AirLoss = 1.00f;
+    Loss = 1.00f;
+    Collision = 0.0f;
+    Gravity = 0.0f;
+    Diffusion = 0.00f;
+    HotAir = 0.000f	* CFDS;
+    Falldown = 1;
+    
+    Flammable = 10;
+    Explosive = 0;
+    Meltable = 0;
+    Hardness = 30;
+    
+    Weight = 85;
+    
+    Temperature = R_TEMP+0.0f	+273.15f;
+    HeatConduct = 70;
+    Description = "Very light dust. Changes colour based on velocity.";
+    
+    State = ST_SOLID;
+    Properties = TYPE_PART;
+    
+    LowPressure = IPL;
+    LowPressureTransition = NT;
+    HighPressure = IPH;
+    HighPressureTransition = NT;
+    LowTemperature = ITL;
+    LowTemperatureTransition = NT;
+    HighTemperature = ITH;
+    HighTemperatureTransition = NT;
+    
+    Update = &Element_GRAV::update;
+    Graphics = &Element_GRAV::graphics;
+}
+
+//#TPT-Directive ElementHeader Element_GRAV static int update(UPDATE_FUNC_ARGS)
+int Element_GRAV::update(UPDATE_FUNC_ARGS)
+ {
+	/*int t = parts[i].type;
+	if (t==PT_LOVE)
+		ISLOVE=1;
+	else if (t==PT_LOLZ)
+		ISLOLZ=1;
+	else if (t==PT_GRAV)
+		ISGRAV=1;*/
+	return 0;
+}
+
+
+//#TPT-Directive ElementHeader Element_GRAV static int graphics(GRAPHICS_FUNC_ARGS)
+int Element_GRAV::graphics(GRAPHICS_FUNC_ARGS)
+
+{
+	int GRAV_R, GRAV_B, GRAV_G, GRAV_R2, GRAV_B2, GRAV_G2;
+	*colr = 20;
+	*colg = 20;
+	*colb = 20;
+	if (cpart->vx>0)
+	{
+		*colr += (cpart->vx)*GRAV_R;
+		*colg += (cpart->vx)*GRAV_G;
+		*colb += (cpart->vx)*GRAV_B;
+	}
+	if (cpart->vy>0)
+	{
+		*colr += (cpart->vy)*GRAV_G;
+		*colg += (cpart->vy)*GRAV_B;
+		*colb += (cpart->vy)*GRAV_R;
+
+	}
+	if (cpart->vx<0)
+	{
+		*colr -= (cpart->vx)*GRAV_B;
+		*colg -= (cpart->vx)*GRAV_R;
+		*colb -= (cpart->vx)*GRAV_G;
+
+	}
+	if (cpart->vy<0)
+	{
+		*colr -= (cpart->vy)*GRAV_R2;
+		*colg -= (cpart->vy)*GRAV_G2;
+		*colb -= (cpart->vy)*GRAV_B2;
+	}
+	return 0;
+}
+
+
+Element_GRAV::~Element_GRAV() {}
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