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Old 06 November 2016, 16:10   #380
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
Posts: 19,513
Quote:
Originally Posted by amilo3438 View Post
On WinUAE3.3.0, when the sprite collisions is disabled the usage % is almost same (unchanged) !?
And also same on WinUAE3.3.1 (Public Beta 0, 2016,06,20).
Because 3.3 and older had very stupid optimization that skipped it completely (practically same as only sprite-sprite collisions enabled in GUI), even in situations where program needs collisions (Jumpman Junior). Now it tries to do the same but there is no way to 100% know in advance if this collision test can be skipped or not.

Jim Power is extreme test case because whole background is made from horizontally repeated sprites!
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