/*Description - Returns a Vector3[] of the points along a requested path
* to the requested target value. This will also include the current
* specified location.
*
* Params: pathType -> The type of path to calculate
* strength -> The energy to add / remove if negative
* currentLocation -> The points current location
* graphOrigin -> The origin(Translation) of the Mesh specified by graphSpace
* graphSpace -> The type of graph to create the point from
* */
public static Vector3[] GetConstraintPath(pathType pathType, double strength, Vector3 currentLocation, Vector3 graphOrigin, graphSpaceEnums graphSpace)
{
ArrayList pathInThermoPoints = new ArrayList(); //Used to easily store all of a point's atributes, then depending on graph type use specific attributes
bool inPositive = (strength > 0); //Will be used to switch between logic for adding or removing energy, "very nifty this is"
Vector3[] pathPoints; //Returned to caller
int gridPointStart = 0; //Index in V/T_Vals that provided point starts from
currentLocation = currentLocation - graphOrigin; //currentLocation must be adjusted out of unity space
double currentT = (double)Mathf.Exp(currentLocation.x); //Real temperature of current point
double currentV = (double)Mathf.Exp(-currentLocation.z); //Real volume of current point
double currentU = ThermoMath.GetU_TV(currentT, currentV, false); //Real energy at current point
double currentP = ThermoMath.GetP_TV(currentT, currentV, false); //Real Pressure at current point
double currentH = ThermoMath.GetH_TV(currentT, currentV, false); //Real Enthalpy at current point
double currentS = ThermoMath.GetS_TV(currentT, currentV, false); //Real Entropy at current point
double targetU = currentU + strength; //Target Internal Energy based on the strength
double finalV = ThermoMath.VOTX(currentT, targetU, pathType.CONSTANT_U); //Volume at targetU
double finalT = ThermoMath.TOVX(currentV, targetU, pathType.CONSTANT_U); //Temperature at targetU
//If no positive path exists return an empty array
if(inPositive ? currentU > targetU : currentU < targetU)
return new Vector3[]{};
//Construct path ThermoPoints depending on constraint
switch(pathType){
/*CONSTANT TEMPERATURE*/
case pathType.CONSTANT_T:
//Find the first specific volume on the grid that is greater than the specific volume of the current point
for(gridPointStart = 0; gridPointStart < V_Vals.Length; gridPointStart++){
if(V_Vals[gridPointStart] > currentV)
break;
}
//Adjust counter depending on if we are adding or removing energy
gridPointStart = inPositive ? gridPointStart : (gridPointStart - 1);
//Set the first point in the path to be the current point
pathInThermoPoints.Add(new ThermoPoint(currentT, currentV, ThermoMath.GetP_TV(currentT, currentV, false),
ThermoMath.GetU_TV(currentT, currentV, false), ThermoMath.GetH_TV(currentT, currentV, false),
ThermoMath.GetS_TV(currentT, currentV, false), ThermoMath.area.UNKNOWN, 0));
//Find all points in the path that line up with the grid (spacing) and are below the target energy value
for(gridPointStart = gridPointStart + 0; (inPositive ? (gridPointStart < V_Vals.Length) : (gridPointStart >= 0)) &&
(inPositive ? (ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false) < targetU) : (ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false) > targetU));
gridPointStart = (inPositive ? (gridPointStart+1) : (gridPointStart-1))){
pathInThermoPoints.Add(new ThermoPoint(currentT, V_Vals[gridPointStart], ThermoMath.GetP_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false), ThermoMath.GetH_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.GetS_TV(currentT, V_Vals[gridPointStart], false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
}
//Set the final point to the point with the target energy value
if((inPositive ? (gridPointStart != 0) : (gridPointStart != -1)) && gridPointStart != V_Vals.Length)
pathInThermoPoints.Add(new ThermoPoint(currentT, finalV, ThermoMath.GetP_TV(currentT, finalV, false),
targetU, ThermoMath.GetH_TV(currentT, finalV, false),
ThermoMath.GetS_TV(currentT, finalV, false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
break;
/*CONSTANT VOLUME*/
case pathType.CONSTANT_V:
//Find the first Temperature on the grid that is greater than the Temperature of the current point
for(gridPointStart = 0; gridPointStart < T_Vals.Length; gridPointStart++){
if(T_Vals[gridPointStart] > currentT)
break;
}
//Adjust counter depending on if we are adding or removing energy
gridPointStart = inPositive ? gridPointStart : (gridPointStart - 1);
//Set the first point in the path to be the current point
pathInThermoPoints.Add(new ThermoPoint(currentT, currentV, ThermoMath.GetP_TV(currentT, currentV, false),
ThermoMath.GetU_TV(currentT, currentV, false), ThermoMath.GetH_TV(currentT, currentV, false),
ThermoMath.GetS_TV(currentT, currentV, false), ThermoMath.area.UNKNOWN, 0));
//Find all points in the path that line up with the grid (spacing) and are below the target energy value
for(gridPointStart = gridPointStart + 0; (inPositive ? (gridPointStart < T_Vals.Length) : (gridPointStart >= 0)) &&
(inPositive ? (ThermoMath.GetU_TV(T_Vals[gridPointStart], currentV, false) < targetU) : (ThermoMath.GetU_TV(T_Vals[gridPointStart], currentV, false) > targetU));
gridPointStart = (inPositive ? (gridPointStart+1) : (gridPointStart-1))){
pathInThermoPoints.Add(new ThermoPoint(T_Vals[gridPointStart], currentV, ThermoMath.GetP_TV(T_Vals[gridPointStart], currentV, false),
ThermoMath.GetU_TV(T_Vals[gridPointStart], currentV, false), ThermoMath.GetH_TV(T_Vals[gridPointStart], currentV, false),
ThermoMath.GetS_TV(T_Vals[gridPointStart], currentV, false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
}
//If we ended on a point not equal to the target energy value set the final point to the point with the
//target energy value
if((inPositive ? (gridPointStart != 0) : (gridPointStart != -1)) && gridPointStart != T_Vals.Length)
pathInThermoPoints.Add(new ThermoPoint(finalT, currentV, ThermoMath.GetP_TV(finalT, currentV, false),
targetU, ThermoMath.GetH_TV(finalT, currentV, false),
ThermoMath.GetS_TV(finalT, currentV, false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
break;
case pathType.CONSTANT_P:
//Find the first Volume on the grid that is greater than the Volume of the current point
for(gridPointStart = 0; gridPointStart < V_Vals.Length; gridPointStart++){
if(V_Vals[gridPointStart] > currentV)
break;
}
//Adjust counter depending on if we are adding or removing energy
gridPointStart = inPositive ? gridPointStart : (gridPointStart - 1);
//Set the first point in the path to be the current point
pathInThermoPoints.Add(new ThermoPoint(currentT, currentV, ThermoMath.GetP_TV(currentT, currentV, false),
ThermoMath.GetU_TV(currentT, currentV, false), ThermoMath.GetH_TV(currentT, currentV, false),
ThermoMath.GetS_TV(currentT, currentV, false), ThermoMath.area.UNKNOWN, 0));
//As we will be using currentT throughout the path calculation, set it based on the first volume
//greater than that of the current position
currentT = ThermoMath.TOVX(V_Vals[gridPointStart], currentP, pathType.CONSTANT_P);
//Find all points in the path that line up with the grid (spacing) and are below the target energy value
for(gridPointStart = gridPointStart + 0; (inPositive ? (gridPointStart < V_Vals.Length) : (gridPointStart >= 0)) &&
(inPositive ? (ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false) < targetU && currentT < T_Vals[T_Vals.Length-1]) :
(ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false) > targetU && currentT > T_Vals[0]));
gridPointStart = (inPositive ? (gridPointStart+1) : (gridPointStart-1))){
pathInThermoPoints.Add(new ThermoPoint(
currentT,
V_Vals[gridPointStart],
currentP,
ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.GetH_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.GetS_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.area.UNKNOWN, pathInThermoPoints.Count)
);
//Update currentT unless we are on the first/last Volume of the grid
if(inPositive ? (gridPointStart+1 != V_Vals.Length) : (gridPointStart != 0))
currentT = ThermoMath.TOVX(V_Vals[gridPointStart+1], currentP, pathType.CONSTANT_P);
}
//Adjust final Temperature and Volume values in case we've extended beyond the surface bounds
if(inPositive ? (finalV > V_Vals[V_Vals.Length-1]) : (finalV < V_Vals[0]))
finalV = inPositive ? V_Vals[V_Vals.Length-1] : V_Vals[0];
if(inPositive ? (finalT > T_Vals[T_Vals.Length-1]) : (finalT < T_Vals[0]))
finalT = inPositive ? T_Vals[T_Vals.Length-1] : T_Vals[0];
//If we ended on a point not equal to the target energy value set the final point to the point with the
//target energy value
if(inPositive ? (gridPointStart == V_Vals.Length) : (gridPointStart == -1))
pathInThermoPoints.Add(new ThermoPoint(finalT, finalV, currentP,
targetU, ThermoMath.GetH_TV(finalT, finalV, false),
ThermoMath.GetS_TV(finalT, finalV, false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
break;
//CONSTANT INTERNAL ENERGY
case pathType.CONSTANT_U:
targetU = currentU;
finalT = -1;
finalV = -1;
double t;
double v;
//double u;
int length = 0;
//Find where constant Internal Energy path will go out of bounds.
for (gridPointStart = 0; gridPointStart < V_Vals.Length; gridPointStart++) {
t = ThermoMath.TOVX(V_Vals[gridPointStart], targetU, pathType.CONSTANT_U);
//t = ThermoMath.TOVU(V_Vals[gridPointStart], targetU);
length++;
if (t < .011) {
break;
}
}
//Find the first specific volume on the grid that is greater / less than the specific volume of the current point
for(gridPointStart = 0; gridPointStart < V_Vals.Length; gridPointStart++){
if(V_Vals[gridPointStart] > currentV)
break;
}
//Adjust depending on whether adding / removing energy
gridPointStart = (inPositive ? gridPointStart : gridPointStart - 1);
//Set the first point in the path to be the current point
pathInThermoPoints.Add(new ThermoPoint(currentT, currentV, ThermoMath.GetP_TV(currentT, currentV, false),
targetU, ThermoMath.GetH_TV(currentT, currentV, false),
ThermoMath.GetS_TV(currentT, currentV, false), ThermoMath.area.UNKNOWN, 0));
//Find all points in the path that line up with the grid (spacing) and are within the surface / formula bounds
for (int volumeIndex = gridPointStart; (inPositive ? (volumeIndex < length) : (volumeIndex >= 0)); volumeIndex = (inPositive ? (volumeIndex+1) : (volumeIndex-1))) {
v = V_Vals[volumeIndex];
t = ThermoMath.TOVX(v, targetU, pathType.CONSTANT_U); //Retrieve the best Temperature for the constant Internal energy and grid aligned Volume point
//t = ThermoMath.TOVU(v, targetU);
//Add a new point to the path based on the retrieved temperature value
pathInThermoPoints.Add(new ThermoPoint(t, v, ThermoMath.GetP_TV(t, v, false),
targetU, ThermoMath.GetH_TV(t, v, false),
ThermoMath.GetS_TV(t, v, false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
}
break;
/*case pathType.CONSTANT_H:
break;*/
case pathType.CONSTANT_S:
bool lowTemp, highTemp, lowVol, highVol;
//Find the first Volume on the grid that is greater than the Volume of the current point
for(gridPointStart = 0; gridPointStart < V_Vals.Length; gridPointStart++){
if(V_Vals[gridPointStart] > currentV)
break;
}
//Adjust counter depending on if we are adding or removing energy
gridPointStart = inPositive ? gridPointStart : (gridPointStart - 1);
//Set the first point in the path to be the current point
pathInThermoPoints.Add(new ThermoPoint(currentT, currentV, ThermoMath.GetP_TV(currentT, currentV, false),
ThermoMath.GetU_TV(currentT, currentV, false), ThermoMath.GetH_TV(currentT, currentV, false),
ThermoMath.GetS_TV(currentT, currentV, false), ThermoMath.area.UNKNOWN, 0));
//As we will be using currentT and currentV throughout the path calculation, set it based on the first volume
//greater than that of the current position
currentT = ThermoMath.TOVX(V_Vals[gridPointStart], currentS, pathType.CONSTANT_S);
currentV = V_Vals[gridPointStart];
lowTemp = currentT > T_Vals[1];
highVol = currentV < V_Vals[V_Vals.Length-1];
lowVol = currentV > V_Vals[1];
highTemp = currentT < T_Vals[T_Vals.Length-1];
//Catches the case where we are at a position so close the surface edge, that we will not enter the path calculation
//loop.
if(inPositive ? gridPointStart+1 != V_Vals.Length && !lowTemp || !highVol : gridPointStart != 0 && !lowVol || !highTemp)
pathInThermoPoints.Add(new ThermoPoint(
currentT,
V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1],
ThermoMath.GetP_TV(currentT, V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], false),
ThermoMath.GetU_TV(currentT, V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], false),
ThermoMath.GetH_TV(currentT, V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], false),
currentS,
//ThermoMath.GetS_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.area.UNKNOWN, pathInThermoPoints.Count)
);
//Find all points in the path that line up with the grid (spacing) and are below the target energy value
for(gridPointStart = gridPointStart + 0; (inPositive ? (gridPointStart < V_Vals.Length) : (gridPointStart >= 0)) &&
(inPositive ? (ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false) < targetU && lowTemp && highVol) :
(ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false) > targetU && lowVol && highTemp));
gridPointStart = (inPositive ? (gridPointStart+1) : (gridPointStart-1))){
pathInThermoPoints.Add(new ThermoPoint(
currentT,
V_Vals[gridPointStart],
ThermoMath.GetP_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.GetU_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.GetH_TV(currentT, V_Vals[gridPointStart], false),
currentS,
//ThermoMath.GetS_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.area.UNKNOWN, pathInThermoPoints.Count)
);
//Update currentT unless we are on the first/last Volume of the grid
if(inPositive ? (gridPointStart+1 != V_Vals.Length) : (gridPointStart != 0)){
currentT = ThermoMath.TOVX(V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], currentS, pathType.CONSTANT_S);
currentV = V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1];
//Edge check
lowTemp = currentT >= T_Vals[1];
highVol = currentV < V_Vals[V_Vals.Length-1];
lowVol = currentV >= V_Vals[1];
highTemp = currentT < T_Vals[T_Vals.Length-1];
}
//If close to the edge calculate the last point before exiting
if(inPositive ? !lowTemp || !highVol : !lowVol || !highTemp)
pathInThermoPoints.Add(new ThermoPoint(
currentT,
V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1],
ThermoMath.GetP_TV(currentT, V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], false),
ThermoMath.GetU_TV(currentT, V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], false),
ThermoMath.GetH_TV(currentT, V_Vals[inPositive ? gridPointStart+1 : gridPointStart-1], false),
currentS,
//ThermoMath.GetS_TV(currentT, V_Vals[gridPointStart], false),
ThermoMath.area.UNKNOWN, pathInThermoPoints.Count)
);
}
//Adjust final Temperature and Volume values in case we've extended beyond the surface bounds
//if(inPositive ? (finalV > V_Vals[V_Vals.Length-1]) : (finalV < V_Vals[0]))
// finalV = inPositive ? V_Vals[V_Vals.Length-1] : V_Vals[0];
//if(inPositive ? (finalT > T_Vals[T_Vals.Length-1]) : (finalT < T_Vals[0]))
// finalT = inPositive ? T_Vals[T_Vals.Length-1] : T_Vals[0];
//finalT = ThermoMath.TOVX(V_Vals[inPositive ? gridPointStart-1 : gridPointStart+1], currentS, pathType.CONSTANT_S);
//finalV = ThermoMath.VOTX(finalT, currentS, pathType.CONSTANT_S);
//If we ended on a point not equal to the target energy value set the final point to the point with the
//target energy value
//if(inPositive ? (gridPointStart != V_Vals.Length) : (gridPointStart != -1)) //Add catch here for finalT/V
// pathInThermoPoints.Add(new ThermoPoint(finalT, finalV, ThermoMath.GetP_TV(finalT, finalV, false),
// targetU, ThermoMath.GetH_TV(finalT, finalV, false),
// ThermoMath.GetS_TV(finalT, finalV, false), ThermoMath.area.UNKNOWN, pathInThermoPoints.Count));
break;
}
pathPoints = new Vector3[pathInThermoPoints.Count];
//Depending on graphSpace set the accurate order of quantities defining each point
//offset by the graphOrigin
switch(graphSpace){
case graphSpaceEnums.TPV_Space:
for(int i = 0; i < pathPoints.Length; i++){
pathPoints[i] = graphOrigin + new Vector3(Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).T)),
Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).P)),
-Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).V)));
}
break;
case graphSpaceEnums.TUV_Space:
for(int i = 0; i < pathPoints.Length; i++){
pathPoints[i] = graphOrigin + new Vector3(Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).T)),
Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).U)),
-Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).V)));
}
break;
case graphSpaceEnums.THV_Space:
for(int i = 0; i < pathPoints.Length; i++){
pathPoints[i] = graphOrigin + new Vector3(Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).T)),
Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).H)),
-Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).V)));
}
break;
case graphSpaceEnums.TSV_Space:
for(int i = 0; i < pathPoints.Length; i++){
pathPoints[i] = graphOrigin + new Vector3(Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).T)),
Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).S)),
-Mathf.Log((float)((pathInThermoPoints[i] as ThermoPoint).V)));
}
break;
}
return pathPoints;
}
/*RandomStart
* Description - Returns a random point for positioning the ball / particle at the
* start of the game.
*
* Params: graphOrigin -> The origin(Translation) of the Mesh specified by graphSpace
* graphSpace -> The type of graph to create the point from
*
* Error: Will return Vector3(-1, -1, -1) if graphSpace doesn't exist
* */
public static Vector3 RandomStart(Vector3 graphOrigin, graphSpaceEnums graphSpace)
{
int random_point = Random.Range(0, modelData.Count);
switch(graphSpace){
case graphSpaceEnums.TPV_Space:
return graphOrigin + new Vector3(Mathf.Log((float)((modelData[random_point] as ThermoPoint).T)),
Mathf.Log((float)((modelData[random_point] as ThermoPoint).P)),
-Mathf.Log((float)((modelData[random_point] as ThermoPoint).V)));
case graphSpaceEnums.TUV_Space:
return graphOrigin + new Vector3(Mathf.Log((float)((modelData[random_point] as ThermoPoint).T)),
Mathf.Log((float)((modelData[random_point] as ThermoPoint).U)),
-Mathf.Log((float)((modelData[random_point] as ThermoPoint).V)));
case graphSpaceEnums.TPU_Space:
return graphOrigin + new Vector3(Mathf.Log((float)((modelData[random_point] as ThermoPoint).T)),
Mathf.Log((float)((modelData[random_point] as ThermoPoint).P)),
-Mathf.Log((float)((modelData[random_point] as ThermoPoint).U)));
case graphSpaceEnums.TPS_Space:
return graphOrigin + new Vector3(Mathf.Log((float)((modelData[random_point] as ThermoPoint).T)),
Mathf.Log((float)((modelData[random_point] as ThermoPoint).P)),
-Mathf.Log((float)((modelData[random_point] as ThermoPoint).S)));
case graphSpaceEnums.THV_Space:
return graphOrigin + new Vector3(Mathf.Log((float)((modelData[random_point] as ThermoPoint).T)),
Mathf.Log((float)((modelData[random_point] as ThermoPoint).H)),
-Mathf.Log((float)((modelData[random_point] as ThermoPoint).V)));
case graphSpaceEnums.TSV_Space:
return graphOrigin + new Vector3(Mathf.Log((float)((modelData[random_point] as ThermoPoint).T)),
Mathf.Log((float)((modelData[random_point] as ThermoPoint).S)),
-Mathf.Log((float)((modelData[random_point] as ThermoPoint).V)));
}
return new Vector3(-1, -1, -1);
}
/*GenerateGraph
* Description - Returns a Mesh object with valid points for the
* space specified.s
*
* Params: graphSpace -> The type of graph to create (axes)
* */
public static Mesh GenerateGraph(graphSpaceEnums graphSpace)
{
water_surface = new Mesh();
switch(graphSpace){
case graphSpaceEnums.TPV_Space:
water_surface.Clear();
water_surface.vertices = TPVverts();
break;
case graphSpaceEnums.TUV_Space:
water_surface.Clear();
water_surface.vertices = TUVverts();
break;
case graphSpaceEnums.TPU_Space:
water_surface.Clear();
water_surface.vertices = TPUverts();
break;
case graphSpaceEnums.TPS_Space:
water_surface.Clear();
water_surface.vertices = TPSverts();
break;
case graphSpaceEnums.THV_Space:
water_surface.Clear();
water_surface.vertices = THVverts();
break;
case graphSpaceEnums.TSV_Space:
water_surface.Clear();
water_surface.vertices = TSVverts();
break;
}
water_surface.triangles = mesh_triangles;
water_surface.uv = mesh_uvs;
water_surface.Optimize();
water_surface.RecalculateBounds();
water_surface.RecalculateNormals();
return water_surface;
}
