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Tweak accuracy

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This commit is contained in:
PabstMirror 2019-03-13 13:01:36 -05:00
parent 4ad1fba062
commit 8d6c1cd6ef
2 changed files with 12 additions and 11 deletions
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ace_artillerytables_x64.dll
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23
extensions/artillerytables/artillerytables.cpp
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@ -30,9 +30,9 @@ extern "C" {
#endif #endif
// Constants // Constants
static const double timeStep = 1.0 / 100; static const double timeStep = 1.0 / 60;
static const double rangeSearchErrorMax = 0.001; // ratio * distance static const double rangeSearchErrorMax = 0.001; // ratio * distance
static const double rangeSearchAngleConvergance = 0.00001; static const double rangeSearchAngleConvergance = 0.000025;
static const double gravityABS = 9.8066; static const double gravityABS = 9.8066;
static const ace::vector3<double> gravityAccl(0, 0, -1 * gravityABS); static const ace::vector3<double> gravityAccl(0, 0, -1 * gravityABS);
@ -42,6 +42,7 @@ unsigned int getLineIndex = 0;
std::tuple<double, double, double> simulateShot(const double _fireAngleRad, const double _muzzleVelocity, const double _heightOfTarget, const double _crossWind, const double _tailWind, const double _temperature, const double _airDensity, double _airFriction) { std::tuple<double, double, double> simulateShot(const double _fireAngleRad, const double _muzzleVelocity, const double _heightOfTarget, const double _crossWind, const double _tailWind, const double _temperature, const double _airDensity, double _airFriction) {
// returns: dist traveled to the side (crosswind), dist traveled foward (headwind), time of flight // returns: dist traveled to the side (crosswind), dist traveled foward (headwind), time of flight
// note: if shot never reaches height of target, then results are undefined (use negative)
const double kCoefficient = -1.0 * _airDensity * _airFriction; const double kCoefficient = -1.0 * _airDensity * _airFriction;
const double powderEffects = (_airFriction) ? ((_temperature + 273.13) / 288.13 - 1) / 40 + 1 : 1.0; const double powderEffects = (_airFriction) ? ((_temperature + 273.13) / 288.13 - 1) / 40 + 1 : 1.0;
@ -305,17 +306,17 @@ int RVExtensionArgs(char* output, int outputSize, const char* function, const ch
#ifdef TEST_EXE #ifdef TEST_EXE
int main() { int main() {
/*
//double a, b; double x1, x2, y1, y2, tof1, tof2;
//std::tie(a, b) = simulateFindSolution(200,50, 100, 0, 0, 45 * (M_PI / 180.0), false); std::tie(x1, y1, tof1) = simulateFindSolution(5000, 0, 810, 0, 0, 45 * (M_PI / 180.0), false);
//printf("sim: %f, %f\n",a,b); std::tie(x2, y2, tof2) = simulateFindSolution(5000, 0, 810, -0.00000000000000000001, 0, 45 * (M_PI / 180.0), false);
printf("calc %f, %f, %f\n", x1, y1, tof1);
printf("sim %f, %f, %f\n", x2, y2, tof2);
printf("sim diff %f, %f, %f\n", (x2 - x1), (y2 - y1), (tof2 - tof1));
//std::string r = simulateCalcRangeTableLine(4000, 810, ); //std::string r = simulateCalcRangeTableLine(4000, 810, );
//printf("result: [%s]\n", r.c_str()); //printf("result: [%s]\n", r.c_str());
*/
//auto [lineElevation, lineTimeOfFlight] = simulateFindSolution(4000, 0, 810, -0.00005, 5 * (M_PI / 180.0), 80 * (M_PI / 180.0), false);
//printf("result: [%f, %f]\n", lineElevation, lineTimeOfFlight);
// Determine realistic air firiction values // Determine realistic air firiction values
/* /*
@ -349,7 +350,7 @@ int main() {
ret2 = RVExtensionArgs(output, 256, function2, NULL, 0); ret2 = RVExtensionArgs(output, 256, function2, NULL, 0);
if (ret2 == 1) { if (ret2 == 1) {
lines++; lines++;
std::printf("ret: %d - %s\n", ret2, output); // std::printf("ret: %d - %s\n", ret2, output);
} }
} }
auto t4 = std::chrono::high_resolution_clock::now(); auto t4 = std::chrono::high_resolution_clock::now();