Áß·ÂÀ» ÀÌ¿ëÇÑ Ä³¸¯ÅÍ Á¡ÇÁ½Ã »ç¿ëµÇ´Â °ø½ÄÀ» À¯µµÇÏ°í º¯¼öµé¿¡ ´ëÇؼ ¾Ë¾Æº»´Ù. ´ÙÀ½ÀÇ °ø½ÄÀº ÀÚÁÖ »ç¿ë µÇ´Â °ÍÀÌ´Ï ¼÷ÁöÇØ µÐ´Ù. V = Vo + a¤ýt (v : ¼Óµµ vo : óÀ½ ¼Óµµ a : °¡¼Óµµ t : ½Ã°£ ) S = Vo¤ýt + ¨ö¤ýat©÷ ( S : °Å¸® Vo : óÀ½ ¼Óµµ a : °¡¼Óµµ t : ½Ã°£ ) 2a¤ýS = V©÷- Vo©÷( S : °Å¸® V : ¼Óµµ Vo : óÀ½ ¼Óµµ a : °¡¼Óµµ ) ¹°¸®¿¡¼ º¯À§¸¦ t·Î ¹ÌºÐÇÏ¸é ¼Óµµ°¡ ³ª¿À°í ¼Óµµ¸¦ ¹ÌºÐÇÏ¸é °¡¼Óµµ°¡ ³ª¿Â´Ù s(º¯À§) = Vo*t + a*t2/2 = Vo + 2*a*t/2 = Vo + a*t v(¼Óµµ) = Vo + a*t = 1*a a(°¡¼Óµµ) 1 °ø½Ä À¯µµ1. Á¡ÇÁ½Ã óÀ½ ¼Óµµ(Vo)¿Í Áß·Â(g)À» ¾Ë¶§ ÃÖ°í ³ôÀÌ¿¡ µµ´Þ ÇßÀ»¶§ ½Ã°£ ±¸Çϱâ(À̶§ ½Ã°£À» tmax¶ó ºÎ¸¥´Ù) tmax =Vo/g °ø½ÄÀ» À¯µµÇÑ´Ù. tmax¸¦ t·Î °£´ÜÇÏ°Ô Ç¥½ÃÇÑ´Ù. V = Vo + a¤ýt Ãʱ⠼ӵµ¿¡ °¡¼Óµµ¸¦ ´õÇÏ´Â °ø½ÄÀ» ÀÌ¿ëÇÑ´Ù.
V = Vo - g¤ýt Áß·ÂÀº ÀÚÀ¯ ³«ÇÏÀ̱⠤Ԥ¨¤Â¤Ô¹®¿¡ a = -gÀÌ´Ù. g¤ýt = Vo - V t¸¦ ±¸Çϱâ À§ÇØ g¤ýt¿Í V¸¦ ±³È¯ÇÑ´Ù. g¤ýt = Vo ¿©±â¼ ÃÖ´ë ³ôÀÌ´Â V°¡ 0À϶§ÀÌ´Ù. t = Vo / g óÀ½ ¼Óµµ(Vo)¿Í Áß·Â(g)À» ¾Ë¸é ÃÖ°í ³ôÀÌÀÇ ½Ã°£À» ±¸ÇÒ¼ö ÀÖ´Ù. tmax = Vo/g 2. Á¡ÇÁ½Ã óÀ½ ¼Óµµ(Vo)¿Í ÃÖ°í ³ôÀÌ(h)¸¦ ¾Ë¶§ ½Ã°£ ±¸Çϱâ tmax = 2h/Vo °ø½ÄÀ» À¯µµÇÑ´Ù. V = Vo + a¤ýt Ãʱ⠼ӵµ¿¡ °¡¼Óµµ¸¦ ´õÇÏ´Â °ø½ÄÀ» ÀÌ¿ëÇÑ´Ù.
V = Vo - g¤ýt Áß·ÂÀº ÀÚÀ¯ ³«ÇÏÀ̱⠤Ԥ¨¤Â¤Ô¹®¿¡ a = -gÀÌ´Ù. g¤ýt = Vo - V t¸¦ ±¸Çϱâ À§ÇØ g¤ýt¿Í V¸¦ ±³È¯ÇÑ´Ù. t = (Vo - V) / g °á°ú¿¡ »ç¿ëµÇ´Â t ¡âh = t(Vo + V) / 2
2g¤ý¡âh = Vo©÷- V©÷ ¿©±â¼ ÃÖ´ë ³ôÀÌ´Â V°¡ 0À϶§ÀÌ´Ù. 2g¤ýh = Vo©÷ 2g¤ýh = Vo ¤ýVo 2g¤ýh = Vo ¤ý(tmax ¤ýg) Vo´Â (tmax ¤ýg)ÀÌ´Ù. (2g¤ýh) / (g¤ýVo) = tmax tmax¸¦ ±¸ÇÑ´Ù. (2¤ýh) / Vo = tmax g¸¦ Á¦°ÅÇÑ´Ù. tmax = 2h/Vo t = 2h/Vo Á¡ÇÁÀÇ º¯¼ö¸¦ ±¸ÇÒ¶§ »ç¿ëµÇ´Â ±âº»½ÄÀº ´ÙÀ½°ú °°´Ù. 2g¤ýh = Vo©÷tmax =Vo/gtmax = 2h/Vo2. º¯¼ö °è»ê´ÙÀ½ 4°¡Áö º¯¼öÁß¿¡ µÎ°¡Áö¸¦ ¾Ë¸é ³ª¸ÓÁö 2°³¸¦ ±¸ÇÒ¼ö ÀÖ´Ù.Jump height : h Gravity : g Initial velocity : v Time to apex: t 1. g, h °ªÀ» ¾Ë¶§ v, t °ª ±¸Çϱâ v = Math.sqrt(2*g*h) t = v/g 2*g*h = v*v
v*v = 2*g*h v = Math.sqrt(2*g*h) 2. v, h °ªÀ» ¾Ë¶§ t, g °ª ±¸Çϱâ t = 2*h/v g = (2*h)/(t*t) t = 2*h/v
t = 2*h/(t*g) g = 2*h/(t*t) 3. t, h °ªÀ» ¾Ë¶§ g, v °ª ±¸Çϱâ g = (2*h)/(t*t) v = Math.sqrt(2*g*h) 4. g, v °ªÀ» ¾Ë¶§ t, h °ª ±¸Çϱâ t = v/g h = (v*t)/2 t = 2*h/v
v*t = 2*h h = (v*t)/2 5. g, t °ªÀ» ¾Ë¶§ v, h °ª ±¸Çϱâ v = g*t h = (v*t)/2 6. v, t °ªÀ» ¾Ë¶§ h, g °ª ±¸Çϱâ h = (v*t)/2 g = (2*h)/(t*t) ´ÙÀ½Àå¿¡¼ ÀÚ¹Ù½ºÅ©¸³Æ®·Î Á¡ÇÁ¸¦ ±¸ÇöÇÑ´Ù. character jump2 : ÀÚ¹Ù½ºÅ©¸³Æ®·Î Á¡ÇÁ ±¸Çö ÂüÁ¶) http://aphall.com/2016/07/game-jumping-physics/ https://2dengine.com/?p=platformers https://error454.com/2013/10/23/platformer-physics-101-and-the-3-fundamental-equations-of-platformers/ https://math.stackexchange.com/questions/784420/a-ball-is-launched-vertically-upward-from-the-ground http://www.cyberschool.co.kr/html/text/gtgh/gtphy/1/dgasok.htm https://zzragida.tistory.com/entry/¹°¸®¿Í-¹ÌºÐ°ú-Èû-°¡¼Óµµ-¼Óµµº¯À§°Å¸®½Ä-Á¤¸® |