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showing step by step

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there is a vehicle that is can i show its coordinates step by step in opengl? either old coordinates or new coordinate should be drawn.after every 1 second,another new coordinate should be drawn.

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I suppose you're in 3D, but the logic is the same.
Assuming you're able to draw some type of "marker" (aka a sphere, a cube, whatever), use a small timer that samples the position of the vehicle every second or so, saves it in a list an then draw a marker on each position.

something like that (pseudo-code ahead)

std::vector<vec3> posList;

static float time = 0;

float currTime = getCurrentTime();

if(currTime - time > 1)
time = currTime;

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