{"author_name":"Madball","cat":"LD #26","comments":[],"epoch":1367077200,"likes":0,"metadata":{"p_key":"45032","p_author":"Madball","p_authorkey":"8370","p_urlkey":"80690","p_title":"Looking for mathematical help!","p_cat":"LD #26","p_event":"LD26","p_time":"1367077200","p_likes":"0","p_comments":"0","p_status":"UPD5","us_key":"8370","us_name":"Madball","us_username":"madball","event_start":"1366934400","event_key":"16","event_name":"LD26"},"text":"<p>I have a character that can shoot arrows. The initial speed is set, the gravity force is set. The arrow goes out from the character&#8217;s coordinates and through a set point on screen. I need to find the X and Y velocity of the arrow!<\/p>\n <p><a href=\"http:\/\/www.ludumdare.com\/compo\/2013\/04\/27\/looking-for-mathematical-help\/screenshot-4-14\/\" rel=\"attachment wp-att-238100\"><img class=\"alignnone size-medium wp-image-238100\" alt=\"Screenshot 4\" src=\"http:\/\/www.ludumdare.com\/compo\/wp-content\/uploads\/2013\/04\/Screenshot-4-300x200.png\" width=\"300\" height=\"200\" srcset=\"http:\/\/ludumdare.com\/compo\/wp-content\/uploads\/2013\/04\/Screenshot-4-300x200.png 300w, http:\/\/ludumdare.com\/compo\/wp-content\/uploads\/2013\/04\/Screenshot-4-550x366.png 550w, http:\/\/ludumdare.com\/compo\/wp-content\/uploads\/2013\/04\/Screenshot-4.png 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n <p>I thought that the formula I found works, and I tested it many times and didn&#8217;t find any flaws. But, as you can see on the screenshot, it isn&#8217;t working! (I just updated the formula and it seems to be more accurate, but it&#8217;s still not perfect)<\/p>\n <p><a href=\"http:\/\/www.twitch.tv\/Rodzos\">My stream<\/a><\/p>","time":"April 27th, 2013 10:40 am","title":"Looking for mathematical help!"}