Can someone help me make this speedomater display more accurately? - Cog Forum

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Can someone help me make this speedomater display more accurately?

2001-06-17, 1:59 PM #1

Darth Maul

Registered User

Posts: 21

This speedometer displays player's speed in km/h and mph correctly only if the player is travelling along the x-axis, y-axis or z-axis. The display goes way off when player travels diagonally on the map. Can someone help me make the display more accurately when player isn't travelling along the axes?

Code:

pulse:
testspeedo = GetThingVel(player);
vecx = VectorX(testspeedo);
vecy = VectorY(testspeedo);
vecz = VectorZ(testspeedo);
if (vecx < 0) vecx = vecx - (vecx * 2);
if (vecy < 0) vecy = vecy - (vecy * 2);
if (vecz < 0) vecy = vecz - (vecz * 2);
resul = (vecx + vecy + vecz) * 36;

//resul = vectornorm(testspeed0);
resul2 = resul * 0.62137;
print("");
print("");
print("");

printvector(testspeedo);

jkstringconcatint(resul);
jkstringconcatasciistring(" km/h              ");
jkstringconcatint(resul2);
jkstringconcatasciistring(" mph              ");
jkstringoutput();
jkstringclear();
return;

------------------
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2001-06-17, 10:30 PM #2

*_Seifer_*

Registered User

Posts: 412

I suggest you rewrite your cog to implement

Code:

VectorLen(GetThingVel(player))

Just like that , don't bother about the y, x, z vectors. Better just test it out first, I haven't tested it my self yet.

2001-06-18, 2:45 AM #3

Darth Maul

Registered User

Posts: 21

Thanks a lot - you name will placed to the "special thanks" section of the credits section of this JK SP episode

And with the now-accurate speedometer, I have clocked the following speeds:
Normal Running: 47 km/h 29 mph
Force speed max: 107 km/h 67 mph
Flying, no force speed: 143 km/h 89 mph
Flying, max force speed: 323 km/h 201 mph

New code:

Code:

pulse:
testspeedo = GetThingVel(player);
//vecx = VectorX(testspeedo);
//vecy = VectorY(testspeedo);
//vecz = VectorZ(testspeedo);
//if (vecx < 0) vecx = vecx - (vecx * 2);
//if (vecy < 0) vecy = vecy - (vecy * 2);
//if (vecz < 0) vecy = vecz - (vecz * 2);
//resul = (vecx + vecy + vecz) * 36;

resul = vectorlen(testspeedo) * 36;
resul2 = resul * 0.62137;
print("");
print("");
print("");

printflex(vectorlen(testspeedo));

jkstringconcatint(resul);
jkstringconcatasciistring(" km/h              ");
jkstringconcatint(resul2);
jkstringconcatasciistring(" mph              ");
jkstringoutput();
jkstringclear();
return;