{"id":2131,"date":"2026-08-31T08:06:33","date_gmt":"2026-08-31T08:06:33","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2131"},"modified":"2026-08-31T08:06:40","modified_gmt":"2026-08-31T08:06:40","slug":"%ec%b6%a9%eb%8f%8c%ea%b3%bc-%ec%a0%91%ec%b4%89-%ed%95%b5%ec%8b%ac-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2131","title":{"rendered":"\ucda9\ub3cc\uacfc \uc811\ucd09 \ud575\uc2ec \uc815\ub9ac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uacfc \uc811\ucd09\uc740 <strong>\ub450 \ubb3c\uccb4\uac00 \uc11c\ub85c \uacb9\uce58\uac70\ub098 \uac00\uae4c\uc6cc\uc84c\uc744 \ub54c \ubb3c\ub9ac\uc801\uc73c\ub85c \uc5b4\ub5a4 \ubc18\uc751\uc744 \ub9cc\ub4e4\uc5b4\ub0bc \uac83\uc778\uac00<\/strong>\ub97c \ub2e4\ub8e8\ub294 \uc601\uc5ed\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \ubb3c\ub9ac\uc5d0\uc11c\ub294 \ub2e8\uc21c\ud788 &#8220;\ubd80\ub52a\ud614\ub2e4&#8221;\ub97c \ud310\ub2e8\ud558\ub294 \uac83\uc73c\ub85c \ub05d\ub098\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \uac80\ucd9c -&gt; \ucda9\ub3cc\uc810\/\uc811\ucd09\uc810 \uacc4\uc0b0 -&gt; \ucda9\ub3cc \ubc95\uc120 \uacc4\uc0b0 -&gt; \uc0c1\ub300 \uc18d\ub3c4 \uacc4\uc0b0 -&gt; \ucda9\uaca9\ub7c9 \uacc4\uc0b0 -&gt; \uc18d\ub3c4\/\ud68c\uc804 \uc218\uc815 -&gt; \uacb9\uce68 \ud574\uacb0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc804\uccb4 \uacfc\uc815\uc774 \ucda9\ub3cc \ucc98\ub9ac\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc \uc5ed\ud559<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubb3c\uccb4\uac00 \ucda9\ub3cc\ud558\uba74 \uc9e7\uc740 \uc2dc\uac04 \ub3d9\uc548 \ub9e4\uc6b0 \ud070 \ud798\uc774 \uc791\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc744 \ud798\uc758 \uad00\uc810\uc5d0\uc11c \ubcf4\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc -&gt; \ud070 \ud798 -&gt; \uc9e7\uc740 \uc2dc\uac04 -&gt; \uc6b4\ub3d9\ub7c9 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uace0, \ucda9\uaca9\ub7c9 \uad00\uc810\uc5d0\uc11c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\uaca9\ub7c9 = \uc6b4\ub3d9\ub7c9 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>J = \u0394p<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>J = F\u0394t<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>F\u0394t = \u0394p<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc740 \ubcf4\ud1b5 \ucda9\ub3cc \uc21c\uac04\uc758 \ud798\uc744 \uc9c1\uc811 \uacc4\uc0b0\ud558\uae30\ubcf4\ub2e4 <strong>\ucda9\uaca9\ub7c9(Impulse)<\/strong>\uc744 \uc774\uc6a9\ud574 \uc18d\ub3c4\ub97c \uc989\uc2dc \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc \uac80\ucd9c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \uac80\ucd9c(Collision Detection)\uc740 \ub450 \ubb3c\uccb4\uac00 \uc2e4\uc81c\ub85c \ucda9\ub3cc\ud588\ub294\uc9c0\ub97c \ud310\ub2e8\ud558\ub294 \uacfc\uc815\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uad6c\uc870\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Broad Phase -&gt; \ud6c4\ubcf4 \uc30d \ud0d0\uc0c9 -&gt; Narrow Phase -&gt; \uc815\ud655\ud55c \ucda9\ub3cc \uac80\uc0ac<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Broad Phase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \ubb3c\uccb4 \uc911 \uc2e4\uc81c\ub85c \ucda9\ub3cc \uac00\ub2a5\uc131\uc774 \uc788\ub294 \uc30d\uc744 \ube60\ub974\uac8c \ucc3e\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \ubc29\ubc95:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>AABB<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Bounding Sphere<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Spatial Hash<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>BVH<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Sweep and Prune<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4f1\uc774 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa9\uc801\uc740 \uc815\ud655\ud55c \ucda9\ub3cc \uac80\uc0ac\ub97c \ud574\uc57c \ud558\ub294 \uac1d\uccb4 \uc218\ub97c \uc904\uc774\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubaa8\ub4e0 \uac1d\uccb4 \ube44\uad50 -&gt; O(N\u00b2)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub97c \uadf8\ub300\ub85c \uc218\ud589\ud558\uc9c0 \uc54a\uace0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uacf5\uac04 \ubd84\ud560\/\uacbd\uacc4 \uac80\uc0ac -&gt; \ucda9\ub3cc \uac00\ub2a5\uc131\uc774 \ub192\uc740 \uac1d\uccb4\ub9cc \uc120\ubcc4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ucd5c\uc801\ud654\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Narrow Phase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Broad Phase\uc5d0\uc11c \ucd94\ub824\ub0b8 \ubb3c\uccb4 \uc30d\uc5d0 \ub300\ud574 \uc2e4\uc81c \ud615\uc0c1\ub07c\ub9ac \ucda9\ub3cc\ud588\ub294\uc9c0\ub97c \uc815\ubc00\ud558\uac8c \uac80\uc0ac\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \ubc29\ubc95\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>SAT<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>GJK<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>EPA<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4f1\uc774 \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc\uc810<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc810(Contact Point)\uc740 \ub450 \ubb3c\uccb4\uac00 \uc811\ucd09\ud558\ub294 \uc704\uce58\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \ud574\uacb0\uc5d0\uc11c\ub294 \ub2e8\uc21c\ud788 &#8220;\ucda9\ub3cc\ud588\ub2e4&#8221;\ub294 \uc815\ubcf4\ubcf4\ub2e4 <strong>\uc5b4\ub514\uc5d0\uc11c \ucda9\ub3cc\ud588\ub294\uac00<\/strong>\uac00 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc810\uc774 \uc788\uc5b4\uc57c \ud574\ub2f9 \uc704\uce58\uc5d0 \ucda9\uaca9\ub7c9\uc744 \uc801\uc6a9\ud558\uace0 \ud68c\uc804 \ud6a8\uacfc\uae4c\uc9c0 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \ud68c\uc804\ud558\ub294 \uac15\uccb4\uc5d0\uc11c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc\uc810 -&gt; \uc9c8\ub7c9 \uc911\uc2ec\uacfc\uc758 \uac70\ub9ac -&gt; \ud1a0\ud06c -&gt; \uac01\uc18d\ub3c4 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ucda9\ub3cc\uc810\uc740 \uc120\ud615 \uc6b4\ub3d9\ubfd0\ub9cc \uc544\ub2c8\ub77c \ud68c\uc804 \uc6b4\ub3d9\uc5d0\ub3c4 \uc9c1\uc811 \uc601\ud5a5\uc744 \uc900\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc \ubc95\uc120<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ucda9\ub3cc \ubc95\uc120(Contact Normal)<\/strong>\uc740 \uc811\ucd09\uba74\uc5d0 \uc218\uc9c1\uc778 \ubc29\ud5a5 \ubca1\ud130\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf4\ud1b5 \ud55c \ubb3c\uccb4\uc5d0\uc11c \ub2e4\ub978 \ubb3c\uccb4\ub97c \ubc00\uc5b4\ub0b4\ub294 \ubc29\ud5a5\uc73c\ub85c \uc815\uc758\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>normal = \ucda9\ub3cc \ud574\uacb0 \ubc29\ud5a5<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \ud574\uacb0\uc5d0\uc11c \ubc95\uc120 \ubc29\ud5a5\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\uccb4\uac00 \ucda9\ub3cc\ud588\uc744 \ub54c \uc18d\ub3c4\ub97c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubc95\uc120 \ubc29\ud5a5 \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc640<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc811\uc120 \ubc29\ud5a5 \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \ubd84\ub9ac\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uc18d\ub3c4 -&gt; \ubc95\uc120 \uc131\ubd84 + \uc811\uc120 \uc131\ubd84<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\ub85c \uc778\ud574 \uc8fc\ub85c \uc218\uc815\ub418\ub294 \uac83\uc740 \ubc95\uc120 \ubc29\ud5a5\uc758 \uc18d\ub3c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\ucc30\uc740 \uc811\uc120 \ubc29\ud5a5\uc758 \uc18d\ub3c4\ub97c \uc218\uc815\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc0c1\ub300 \uc18d\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc5d0\uc11c\ub294 \uac01 \ubb3c\uccb4\uc758 \uc808\ub300 \uc18d\ub3c4\ubcf4\ub2e4 <strong>\uc11c\ub85c \uc5bc\ub9c8\ub098 \ube60\ub974\uac8c \uac00\uae4c\uc6cc\uc9c0\uace0 \uc788\ub294\uc9c0<\/strong>\uac00 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubb3c\uccb4\uc758 \uc18d\ub3c4\uac00 \uac01\uac01 <code>v_A<\/code>, <code>v_B<\/code>\ub77c\uba74 \uc0c1\ub300 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_rel = v_B - v_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \ubc95\uc120 <code>n<\/code>\uc5d0 \ud22c\uc601\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_rel_n = v_rel \u00b7 n<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc744 \uc5bb\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac12\uc73c\ub85c \ub450 \ubb3c\uccb4\uac00 \uc11c\ub85c \uc811\uadfc\ud558\ub294\uc9c0 \ud310\ub2e8\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc811\uadfc \uc18d\ub3c4\uac00 \uc874\uc7ac\ud55c\ub2e4\uba74 \ucda9\ub3cc \ucc98\ub9ac\uac00 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c \uc774\ubbf8 \uc11c\ub85c \uba40\uc5b4\uc9c0\uace0 \uc788\ub2e4\uba74 \ucd94\uac00\uc801\uc778 \ubc18\ubc1c \ucda9\uaca9\ub7c9\uc744 \uc801\uc6a9\ud558\uba74 \uc548 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uc18d\ub3c4 -&gt; \ucda9\ub3cc \ubc95\uc120\uc5d0 \ud22c\uc601 -&gt; \uc811\uadfc\/\ubd84\ub9ac \ud310\ub2e8<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc18\ubc1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\ud588\uc744 \ub54c \ubb3c\uccb4\uac00 \uc5bc\ub9c8\ub098 \ud295\uaca8 \ub098\uac00\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \ub300\ud45c\uc801\uc778 \uac12\uc774 <strong>\ubc18\ubc1c \uacc4\uc218(Coefficient of Restitution)<\/strong>\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>e<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc94\uc704\ub294 \uc77c\ubc18\uc801\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>0 &lt;= e &lt;= 1<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>e = 1 -&gt; \uc644\uc804 \ud0c4\uc131 \ucda9\ub3cc<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>e = 0 -&gt; \uc644\uc804 \ube44\ud0c4\uc131 \ucda9\ub3cc<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \uc0dd\uac01\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\ucc28\uc6d0 \ucda9\ub3cc\uc5d0\uc11c \ubc18\ubc1c \uc870\uac74\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \ubd84\ub9ac \uc18d\ub3c4 = e \u00d7 \uc0c1\ub300 \uc811\uadfc \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud615\ud0dc\ub85c \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ubc18\ubc1c \uacc4\uc218\uac00 \ub192\uc744\uc218\ub85d \ucda9\ub3cc \ud6c4 \ub354 \uac15\ud558\uac8c \ud295\uae34\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\uaca9\ub7c9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc744 \uc2e4\uc81c\ub85c \ud574\uacb0\ud558\ub294 \ud575\uc2ec \uc218\ub2e8\uc774 <strong>\ucda9\uaca9\ub7c9<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>J = \u0394p<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\uaca9\ub7c9\uc744 \uc18d\ub3c4\uc5d0 \uc801\uc6a9\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>p = mv<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>J = m\u0394v<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ucda9\uaca9\ub7c9\uc740 \ubb3c\uccb4\uc758 \uc18d\ub3c4\ub97c \uc989\uc2dc \ubcc0\ud654\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubb3c\uccb4\uac00 \ucda9\ub3cc\ud560 \ub54c\ub294 \uac19\uc740 \ud06c\uae30\uc758 \ubc18\ub300 \ubc29\ud5a5 \ucda9\uaca9\ub7c9\uc774 \uc791\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>J_A = -J_B<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \uace0\ub9bd\ub41c \uacc4\uc5d0\uc11c\ub294 \uc804\uccb4 \uc6b4\ub3d9\ub7c9\uc774 \ubcf4\uc874\ub41c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc \ucda9\uaca9\ub7c9\uc758 \uae30\ubcf8 \ud615\ud0dc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc21c\ud55c \ub450 \uac15\uccb4 \ucda9\ub3cc\uc5d0\uc11c \ucda9\ub3cc \ubc95\uc120\uc744 <code>n<\/code>, \uc0c1\ub300 \uc18d\ub3c4\ub97c <code>v_rel<\/code>\uc774\ub77c\uace0 \ud558\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc95\uc120 \ubc29\ud5a5 \uc0c1\ub300 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_rel \u00b7 n<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \ubc18\ubc1c \uacc4\uc218\ub97c <code>e<\/code>\ub77c\uace0 \ud558\uba74 \ucda9\ub3cc \ucda9\uaca9\ub7c9\uc758 \ud06c\uae30\ub294 \uae30\ubcf8\uc801\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>j = -(1 + e)(v_rel \u00b7 n) \/ (1\/m_1 + 1\/m_2)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud615\ud0dc\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \ubc95\uc120 + \uc0c1\ub300 \uc18d\ub3c4 + \uc9c8\ub7c9 + \ubc18\ubc1c \uacc4\uc218 -&gt; \ucda9\uaca9\ub7c9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uacb0\uc815\ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uac15\uccb4 \ubb3c\ub9ac\uc5d0\uc11c\ub294 \ucda9\ub3cc\uc810\uc5d0\uc11c\uc758 \ud68c\uc804 \uc18d\ub3c4\uae4c\uc9c0 \uace0\ub824\ud574\uc57c \ud558\ubbc0\ub85c \uc2dd\uc774 \ub354 \ubcf5\uc7a1\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ucc30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\ucc30\uc740 \uc811\ucd09\uba74\uc744 \ub530\ub77c \ubc1c\uc0dd\ud558\ub294 \ud798\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \ubc95\uc120\uc774<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>n<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub77c\uba74 \uc0c1\ub300 \uc18d\ub3c4\uc5d0\uc11c \ubc95\uc120 \uc131\ubd84\uc744 \uc81c\uac70\ud558\uc5ec \uc811\uc120 \ubc29\ud5a5 \uc18d\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_tangent = v_rel - (v_rel \u00b7 n)n<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\ucc30\uc740 \uc774 \uc811\uc120 \ubc29\ud5a5 \uc0c1\ub300 \uc6b4\ub3d9\uc744 \uac10\uc18c\uc2dc\ud0a4\ub294 \ubc29\ud5a5\uc73c\ub85c \uc791\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \ubaa8\ub378\uc774 <strong>\ucfe8\ub871 \ub9c8\ucc30(Coulomb Friction)<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc815\uc9c0 \ub9c8\ucc30\uc5d0\uc11c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>|F_f| &lt;= \u03bc_s N<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b4\ub3d9 \ub9c8\ucc30\uc5d0\uc11c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>|F_f| = \u03bc_k N<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc73c\ub85c \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u03bc -&gt; \ub9c8\ucc30 \uacc4\uc218<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>N -&gt; \uc218\uc9c1\ud56d\ub825<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \ubb3c\ub9ac\uc5d0\uc11c\ub294 \ub9c8\ucc30 \uacc4\uc218\ub97c \uc774\uc6a9\ud558\uc5ec<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc811\ucd09 -&gt; \ubc95\uc120 \ucda9\uaca9\ub7c9 -&gt; \uc811\uc120 \ub9c8\ucc30 \ucda9\uaca9\ub7c9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc21c\uc11c\ub85c \ucc98\ub9ac\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc \ud574\uacb0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \ud574\uacb0(Collision Resolution)\uc740 \uac80\ucd9c\ub41c \ucda9\ub3cc\uc744 \uc2e4\uc81c \ubb3c\ub9ac \uc0c1\ud0dc\uc5d0 \ubc18\uc601\ud558\ub294 \uacfc\uc815\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud750\ub984\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \uac80\ucd9c -&gt; \uc811\ucd09 \uc815\ubcf4 \uc0dd\uc131 -&gt; \uc0c1\ub300 \uc18d\ub3c4 \uacc4\uc0b0 -&gt; \ucda9\uaca9\ub7c9 \uacc4\uc0b0 -&gt; \uc120\uc18d\ub3c4 \uc218\uc815 -&gt; \uac01\uc18d\ub3c4 \uc218\uc815 -&gt; \uc704\uce58 \ubcf4\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc18d\ub3c4 \ud574\uacb0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\uaca9\ub7c9 <code>J<\/code>\ub97c \uc801\uc6a9\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v'_1 = v_1 + J\/m_1<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v'_2 = v_2 - J\/m_2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud615\ud0dc\ub85c \uc18d\ub3c4\uac00 \ubcc0\uacbd\ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uacc4\uc0b0\uc5d0\uc11c\ub294 \ucda9\ub3cc \ubc95\uc120 <code>n<\/code>\uc744 \ud3ec\ud568\ud558\uc5ec<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>J = jn<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc73c\ub85c \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud68c\uc804\uc774 \ud3ec\ud568\ub41c \ucda9\ub3cc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc810\uc774 \uc9c8\ub7c9 \uc911\uc2ec\uc5d0\uc11c \ub5a8\uc5b4\uc838 \uc788\uc73c\uba74 \ucda9\uaca9\ub7c9\uc740 \ud68c\uc804\ub3c4 \ubc1c\uc0dd\uc2dc\ud0a8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc\uc810\uc5d0\uc11c \uc9c8\ub7c9 \uc911\uc2ec\uae4c\uc9c0\uc758 \ubca1\ud130\ub97c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>r<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub77c\uace0 \ud558\uba74 \ud1a0\ud06c\uc640 \uac19\uc740 \ud6a8\uacfc\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud68c\uc804 \uc18d\ub3c4 \ubcc0\ud654\ub294 \uac1c\ub150\uc801\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\uaca9\ub7c9 -&gt; \uac01\uc6b4\ub3d9\ub7c9 \ubcc0\ud654 -&gt; \uac01\uc18d\ub3c4 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \uc774\uc5b4\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc989<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc\uc810\uc774 \uc9c8\ub7c9 \uc911\uc2ec\uacfc \uc77c\uce58 -&gt; \uc8fc\ub85c \uc120\ud615 \uc6b4\ub3d9 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc\uc810\uc774 \uc9c8\ub7c9 \uc911\uc2ec\uc5d0\uc11c \ub5a8\uc5b4\uc9d0 -&gt; \uc120\ud615 \uc6b4\ub3d9 + \ud68c\uc804 \uc6b4\ub3d9 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uac8c\uc784\uc5d0\uc11c \ubb3c\uccb4\uac00 \ubaa8\uc11c\ub9ac\ub85c \ubc14\ub2e5\uc744 \ub54c\ub9ac\uba74 \ud68c\uc804\ud558\ub294 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc704\uce58 \ubcf4\uc815<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ucda9\ub3cc \uac80\ucd9c \uc2dc \ub450 \ubb3c\uccb4\uac00 \uc774\ubbf8 \uc870\uae08 \uacb9\uccd0 \uc788\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub97c \uadf8\ub300\ub85c \ub450\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uacb9\uce68 -&gt; \ub2e4\uc74c \ud504\ub808\uc784\uc5d0\uc11c\ub3c4 \ucda9\ub3cc -&gt; \uacc4\uc18d \ucda9\uaca9\ub7c9 \uc801\uc6a9 -&gt; \ub5a8\ub9bc\/\uad00\ud1b5<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ucda9\ub3cc \ud574\uacb0\uc5d0\uc11c\ub294 \uc704\uce58 \uacb9\uce68\uc744 \ubcc4\ub3c4\ub85c \ubcf4\uc815\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uce68\ud22c \uae4a\uc774 -&gt; \ubcf4\uc815 \ubc29\ud5a5 -&gt; \uc704\uce58 \ubd84\ub9ac<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc21c\ud55c \ubc29\uc2dd\uc73c\ub85c\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>A \uc704\uce58 += correction<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>B \uc704\uce58 -= correction<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\ub7fc \uc11c\ub85c \ubc18\ub300 \ubc29\ud5a5\uc73c\ub85c \ubc00\uc5b4\ub0b8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub54c \uc704\uce58 \ubcf4\uc815\uc740 \uc2e4\uc81c \ucda9\ub3cc \uc18d\ub3c4\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uacfc \ub2e4\ub978 \ubb38\uc81c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Velocity Resolution -&gt; \uc18d\ub3c4 \ubb38\uc81c \ud574\uacb0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Position Correction -&gt; \uacb9\uce68 \ubb38\uc81c \ud574\uacb0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub458\uc744 \ubd84\ub9ac\ud574\uc11c \uc0dd\uac01\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc\uacfc \uc811\ucd09\uc758 \ucc28\uc774<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ucda9\ub3cc(Collision)<\/strong>\uc740 \ub450 \ubb3c\uccb4\uac00 \uc811\ucd09\ud558\uac70\ub098 \ucda9\ub3cc\ud558\ub294 \uc0ac\uac74\uc5d0 \ucd08\uc810\uc744 \ub454\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc811\ucd09(Contact)<\/strong>\uc740 \ub450 \ubb3c\uccb4\uac00 \uc9c0\uc18d\uc801\uc73c\ub85c \ub9de\ub2ff\uc544 \uc788\ub294 \uc0c1\ud0dc\uae4c\uc9c0 \ud3ec\ud568\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uce90\ub9ad\ud130\uac00 \ubc14\ub2e5\uc5d0 \uc11c \uc788\ub294 \uacbd\uc6b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uce90\ub9ad\ud130 -&gt; \ubc14\ub2e5\uacfc \uc9c0\uc18d\uc801\uc778 \uc811\ucd09<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ud0dc\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\ub825\uc774 \uce90\ub9ad\ud130\ub97c \uacc4\uc18d \uc544\ub798\ub85c \ub2f9\uae30\uc9c0\ub9cc \ubc14\ub2e5\uc774 \uce90\ub9ad\ud130\ub97c \uc704\ub85c \ubc00\uc5b4\ub0b4\uae30 \ub54c\ubb38\uc5d0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc911\ub825 + \uc218\uc9c1\ud56d\ub825 -&gt; \uc54c\uc9dc\ud798 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub418\uc5b4 \uc815\uc9c0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7f0 \uc811\ucd09 \ubb38\uc81c\uc5d0\uc11c\ub294 \ub2e8\uc21c\ud55c \ud55c \ubc88\uc758 \ubc18\ubc1c\ubcf4\ub2e4 <strong>\uc811\ucd09 \uc81c\uc57d(Contact Constraint)<\/strong>\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \ub9cc\uc871\uc2dc\ud0a4\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ucda9\ub3cc \uac80\ucd9c\uacfc \ucda9\ub3cc \ud574\uacb0\uc758 \ubd84\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac \uc5d4\uc9c4\uc744 \uc124\uacc4\ud560 \ub54c \uac00\uc7a5 \uc911\uc694\ud55c \uad6c\ubd84 \uc911 \ud558\ub098\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Collision Detection -&gt; \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud588\ub294\uac00?<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Collision Resolution -&gt; \ubc1c\uc0dd\ud588\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ubc18\uc751\ud560 \uac83\uc778\uac00?<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Collider A + Collider B -&gt; \ucda9\ub3cc \uac80\ucd9c<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ud6c4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Contact Point + Normal + Penetration -&gt; \ucda9\ub3cc \uc815\ubcf4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub97c \uc0dd\uc131\ud558\uace0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \uc815\ubcf4 + \uc0c1\ub300 \uc18d\ub3c4 + \uc9c8\ub7c9 + \ubc18\ubc1c + \ub9c8\ucc30 -&gt; \ucda9\uaca9\ub7c9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc744 \uacc4\uc0b0\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc9c0\ub9c9\uc73c\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\uaca9\ub7c9 -&gt; \uc18d\ub3c4\/\uac01\uc18d\ub3c4 \uc218\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uce68\ud22c\ub7c9 -&gt; \uc704\uce58 \ubcf4\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc73c\ub85c \ubb3c\ub9ac \uc0c1\ud0dc\ub97c \uac31\uc2e0\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud575\uc2ec \uc815\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \uac80\ucd9c -&gt; \ucda9\ub3cc \uc5ec\ubd80\uc640 \uc811\ucd09 \uc815\ubcf4 \uacc4\uc0b0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Broad Phase -&gt; \ucda9\ub3cc \ud6c4\ubcf4 \ube60\ub974\uac8c \ud0d0\uc0c9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Narrow Phase -&gt; \uc815\ud655\ud55c \ucda9\ub3cc \ud310\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc\uc810 -&gt; \uc811\ucd09\uc774 \ubc1c\uc0dd\ud55c \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \ubc95\uc120 -&gt; \ubb3c\uccb4\ub97c \ubd84\ub9ac\ud558\ub294 \uae30\uc900 \ubc29\ud5a5<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uc18d\ub3c4 -&gt; v_rel = v_B - v_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubc95\uc120 \uc0c1\ub300 \uc18d\ub3c4 -&gt; v_rel \u00b7 n<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubc18\ubc1c -&gt; \ucda9\ub3cc \ud6c4 \ubd84\ub9ac \uc18d\ub3c4\ub97c \uacb0\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\uaca9\ub7c9 -&gt; J = \u0394p<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\uaca9\ub7c9 -&gt; \uc18d\ub3c4 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc\uc810\uc774 \uc9c8\ub7c9 \uc911\uc2ec\uc5d0\uc11c \ub5a8\uc5b4\uc9d0 -&gt; \ud68c\uc804 \ubcc0\ud654<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub9c8\ucc30 -&gt; \uc811\uc120 \ubc29\ud5a5 \uc0c1\ub300 \uc6b4\ub3d9\uc744 \uac10\uc18c<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \ud574\uacb0 -&gt; \uc18d\ub3c4\/\uac01\uc18d\ub3c4\/\uc704\uce58 \uc218\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 \ubcf4\uc815 -&gt; \uce68\ud22c \ud574\uacb0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc7a1\uc73c\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \uac80\ucd9c -&gt; \ucda9\ub3cc\uc810\/\ubc95\uc120\/\uce68\ud22c\ub7c9 -&gt; \uc0c1\ub300 \uc18d\ub3c4 -&gt; \ubc18\ubc1c -&gt; \ucda9\uaca9\ub7c9 -&gt; \uc120\uc18d\ub3c4\/\uac01\uc18d\ub3c4 \uc218\uc815 -&gt; \uc704\uce58 \ubcf4\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\ucc30\uae4c\uc9c0 \ud3ec\ud568\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucda9\ub3cc \uac80\ucd9c -&gt; \ubc95\uc120\/\uc811\uc120 \ubd84\ub9ac -&gt; \ubc95\uc120 \ucda9\uaca9\ub7c9 -&gt; \ubc18\ubc1c -&gt; \uc811\uc120 \ub9c8\ucc30 \ucda9\uaca9\ub7c9 -&gt; \uc18d\ub3c4\/\ud68c\uc804 \uc218\uc815 -&gt; \uce68\ud22c \ubcf4\uc815<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \ubb3c\ub9ac\uc5d0\uc11c \ud575\uc2ec\uc740 <strong>\ucda9\ub3cc\uc744 \uac80\ucd9c\ud558\ub294 \uac83\uacfc \ucda9\ub3cc\uc744 \ud574\uacb0\ud558\ub294 \uac83\uc740 \uc644\uc804\ud788 \ub2e4\ub978 \ubb38\uc81c<\/strong>\ub77c\ub294 \uc810\uc774\ub2e4. \uac80\ucd9c \ub2e8\uacc4\uc5d0\uc11c\ub294 \uae30\ud558\ud559\uc744 \ub2e4\ub8e8\uace0, \ud574\uacb0 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uc0c1\ub300 \uc6b4\ub3d9\ub7c9\uacfc \uc81c\uc57d \uc870\uac74\uc744 \ub2e4\ub8ec\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucda9\ub3cc\uacfc \uc811\ucd09\uc740 \ub450 \ubb3c\uccb4\uac00 \uc11c\ub85c \uacb9\uce58\uac70\ub098 \uac00\uae4c\uc6cc\uc84c\uc744 \ub54c \ubb3c\ub9ac\uc801\uc73c\ub85c \uc5b4\ub5a4 \ubc18\uc751\uc744 \ub9cc\ub4e4\uc5b4\ub0bc \uac83\uc778\uac00\ub97c \ub2e4\ub8e8\ub294 \uc601\uc5ed\uc774\ub2e4. \uac8c\uc784 \ubb3c\ub9ac\uc5d0\uc11c\ub294 \ub2e8\uc21c\ud788 &#8220;\ubd80\ub52a\ud614\ub2e4&#8221;\ub97c \ud310\ub2e8\ud558\ub294 \uac83\uc73c\ub85c \ub05d\ub098\uc9c0 \uc54a\ub294\ub2e4. \ucda9\ub3cc \uac80\ucd9c -&gt; \ucda9\ub3cc\uc810\/\uc811\ucd09\uc810 \uacc4\uc0b0 -&gt; \ucda9\ub3cc \ubc95\uc120 \uacc4\uc0b0 -&gt; \uc0c1\ub300 \uc18d\ub3c4 \uacc4\uc0b0 -&gt; \ucda9\uaca9\ub7c9 \uacc4\uc0b0 -&gt; \uc18d\ub3c4\/\ud68c\uc804 \uc218\uc815 -&gt; \uacb9\uce68 \ud574\uacb0 \uc774 \uc804\uccb4 \uacfc\uc815\uc774 \ucda9\ub3cc \ucc98\ub9ac\ub2e4. \ucda9\ub3cc \uc5ed\ud559 \ub450 \ubb3c\uccb4\uac00 \ucda9\ub3cc\ud558\uba74 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2131","post","type-post","status-publish","format-standard","hentry","category-physics"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2131"}],"version-history":[{"count":1,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2131\/revisions"}],"predecessor-version":[{"id":2132,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2131\/revisions\/2132"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}