Moving an actor
jsorr2
Member Posts: 279
How can i move an actor slowly up and down, but not have it distort and change shape by only moving 1 pixel at a time?
Best Answer
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Socks London, UK.Posts: 12,822
@jsorr2 said:
i see it on the gamesalad viewer on my mac.It's like getting blood out of a stone, lol
Have you tested it on your iPhone 5 as yet ? Your Mac (I am going to guess an iMac) is
109 ppi whereas your iPhone 5 is 326ppi, so I'd test it out before compromising the look of your project so as to accommodate a screen that no one will ever view your game on !@jsorr2 said:
I ended up just speeding the movement to 35 instead of 10 and it looks better. It's just a tad bit fast.Speed will help, so will having a lower contrast image, or even having a second image with slight vertical motion blur (directional blur in Pshop) whose opacity is linked to the speed of movement (visible when moving, invisible when still).
Answers
Moving an actor 1 pixel will not change its shape or otherwise distort it.
Try constraining the Y position to:
Distance * sin (self.time * speed) + origin.
i have an image that has the letter 'O' in it. As it moves, the middle of the 'O' clearly gets smaller and bigger.
If you have an actor that contains an image and the actor moves 1 pixel the image will not (cannot) change, there must be something else at play here.
look at the B. its clearly gotten longer as a whole at the bottom circle. And the gap in the middle of the 'S' is bigger.
It actually looks like a caterpillar when it moves. The bottom stretches forward, then the rest catches up.
You can't then be moving 1 pixel at a time, it looks like you are moving through sub-pixel positions (and I'm going to guess you are moving very slowly?), can you upload a screenshot of the code that makes this actor move ?
I just use a move behaviour. Move 270 degrees relative to scene @ 10 speed - additive.
I want a hovering affect, so i want the image to move up and down slowly. But it looks terrible with any behavior i use, move/interpolate/move to.
Yep, like I said you are not moving 1 pixel at a time, you are moving through sub-pixel positions and you are moving very slowly.
What device are you displaying this on.
How could i have a hover effect without sub pixel movement? But a hover effect thats not fast
I have an iphone 5 but its universal
Constrain the Y position to:
Floor ( Distance * sin (self.time * speed) + origin )
But a slow movement that doesn't use sub-pixel positions is going to look stepped, you are swapping spatial distortion for temporal distortion.
You are seeing this problem when you play the project on an iPhone 5 ?
i see it on the gamesalad viewer on my mac. I ended up just speeding the movement to 35 instead of 10 and it looks better. It's just a tad bit fast.
@Socks sorry i just assume the GS viewer is the same as the iphone screen itself. I really appreciate your endeavors in my many threads seeking help. I'll test out the app on my phone, and of that fails, will try the second image option.
And yeah i use a virtual machine to simulate a Mac.