Difference between revisions of "Spike damage behavior"
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In ''[[Sonic the Hedgehog (Genesis)|Sonic the Hedgehog]]'' for the [[Sega Megadrive]], [[spikes]] were originally presented to be as lethal to Sonic as falling down a pit or being crushed to death. When Sonic is injured by anything, including a set of spikes, he will become invulnerable, indicated by his sprite flashing the moment he touches the ground. However, if he lands on spikes, he will be harmed, regardless of whether he is flashing or not. This behavior is refered to as the ''Spike Bug''. | In ''[[Sonic the Hedgehog (Genesis)|Sonic the Hedgehog]]'' for the [[Sega Megadrive]], [[spikes]] were originally presented to be as lethal to Sonic as falling down a pit or being crushed to death. When Sonic is injured by anything, including a set of spikes, he will become invulnerable, indicated by his sprite flashing the moment he touches the ground. However, if he lands on spikes, he will be harmed, regardless of whether he is flashing or not. This behavior is refered to as the ''Spike Bug''. | ||
| − | The most frequently encountered | + | The spike bug is most frequently encountered when a number of spikes are placed together horizontally, and sonic lands on one of the spikes, recoils, and lands on another. There is debate as to whether this is indeed a 'bug' or an intended feature. |
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| + | The Spike Bug is caused by spikes calling a special routine to hurt Sonic, different from the routine used by every other object in the game that damages him. | ||
First chronological evidence of removal was in [[Sonic the Hedgehog 2 Beta 5|Sonic 2 Beta 5]]. | First chronological evidence of removal was in [[Sonic the Hedgehog 2 Beta 5|Sonic 2 Beta 5]]. | ||
Revision as of 04:48, 15 April 2008
In Sonic the Hedgehog for the Sega Megadrive, spikes were originally presented to be as lethal to Sonic as falling down a pit or being crushed to death. When Sonic is injured by anything, including a set of spikes, he will become invulnerable, indicated by his sprite flashing the moment he touches the ground. However, if he lands on spikes, he will be harmed, regardless of whether he is flashing or not. This behavior is refered to as the Spike Bug.
The spike bug is most frequently encountered when a number of spikes are placed together horizontally, and sonic lands on one of the spikes, recoils, and lands on another. There is debate as to whether this is indeed a 'bug' or an intended feature.
The Spike Bug is caused by spikes calling a special routine to hurt Sonic, different from the routine used by every other object in the game that damages him.
First chronological evidence of removal was in Sonic 2 Beta 5.
Removal
- An official ROM hack was released as part of Sonic Mega Collection, called "JP2", where the bug was removed.
- drx actually created his own ROM hack before the release of Sonic Mega Collection, with the bug removed. He later released the source code, or rather instructions for removing the bug in an ASM file (disassembly). drx's bugfix has been implemented in Hivebrain's Sonic 1 Plus and South Island Adventure ROM hacks.
- FraGag made a tutorial on how to remove the bug, it is avaliable here.