17 Jun
2022
17 Jun
'22
7:27 p.m.
----------------------------- parabola solving. p(0) = x0,y0 = (0,0) a(t) = 0,-g v(0) = v0_x,v0_y v(t) = v(0) + a(t) * t v(t)_x = v0_x + a_x * t v(t)_y = v0_y + a_y * t