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hi there people i'm new to GE and i want to ask 2 simple questions :

- i'm making a arcanoid style game and i have a problem with collision.. i make some rectangle cloned blocks on which the ball actor collide and i set 2 events for bounce on them and destroy them...so the problem is that the ball sometimes go through that blocks and destroy 2 or more of them before bounce.How can i avoid that?

-i also want to know how can i change level when all those cloned blocks destoy.

SORY FOR MY BAD ENGLISH

keep on good work people and happy new year!

do you have this turned on?
if no do it thats the most likly problem

pixel4all wrote: -i also want to know how can i change level when all those cloned blocks destoy.

Put the following script on an actor (I'd suggest the player):

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if(block.cloneindex < 0)   //if there aren't any blocks left
{ level = level + 1;} // increases the level variable as long as there are no blocks left

make sure you add new blocks in the same function right away, otherwise you won't stop to reach a higher level forever.
If you didn't get this, I'd be happy to make a demo for you.

and if you're making a breakout style of game, I wouldn't use physical response, I'd more like use a change of xvelocity/yvelocity, that is, in the most cases, more reliable.

to jimmynewguy : turning on "repeate this event while actor is colliding" doesn't help with collision problem

to Kalladdolf : i'll try it thx for response a demo will help anyway..

can you help me with collision prob i use "change xvelocity/yvelocity" for ball bounce and destroy actor event with collision on blocks, but sometimes ball goes through blocks before bounce...any ideas how to avoid that
i also have an other weird prob when ball collide between 2 blocks it goes through blocks

http://www.youtube.com/watch?v=Ckg7PNvvLWs

tnx u for help guys

All right, I just came across a demo, makslane made a very long time ago, so I didn't have to make it myself, so that takes care of that.
You'll find it here.

when i use this script :

if(block.cloneindex < 0)
{ level = level + 1;}

i can't change level because i use same blocks in other levels so my question is how can i change level when all blocks in viewport are destoyed?

--- is there any way to change a block's colour with script? i must use different sprites for blocks with different colour or can i change the colour of these blocks with script?

sorry again for by bad english...

To change color, you just set the rgb variables. So if you have a white sprite for your block, in its draw actor event

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r=255;
g=0;
b=0;

This makes it red. You change the values accordingly.
If you are reusing the blocks then you can do this,

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if (ActorCount("block")==0) // if the amount of blocks is 0
{
    level++; // goes up a level
}

tnx for help skydereign but i need some more

....i want to color blocks with script but i can't change the rgb values when i use clones of a block...rgb values change color for all cloned blocks is there any way to change color seperately for each block?

thn again

Yeah, it depends on when you want the color changes. You could use timers, though I would suggest a switch. This example assumes they change color by level.
tile->DrawActor->Script Editor

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switch(level)
{
    case 0: // this means blocks will be white if level is zero
    r=255;
    g=255;
    b=255;
    break;
    case 1: // blocks red if level 1
    r=255;
    g=0;
    b=0;
    break;
    // and so on
}

If they are supposed to change not by level, and you still need help, just ask.

to be more specific i want to do this:

i want to use a single block for every level ---> level1_block,level2_block,level3_block...

in level 1 i want to use clones of level1_block and i want to change the color of these blocks thus i have in level 1 green,blue,red or whatever color i want...

The switch statement will still work. You would need to change the variable inside the () to be cloneindex. That way, your clones will be different colors.
level_1_block->DrawActor->Script Editor

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switch(cloneindex)
{
    case 0: // this means block.0 will be white
    r=255;
    g=255;
    b=255;
    break;
    case 1: // block.1 will be red
    r=255;
    g=0;
    b=0;
    break;
    // and so on
}

thanx for all help skydereign sorry for reply delay...i had a prob with my account ...

just an other question :

ball.actor destroy when it 's out of vision and number of lifes decrease by 1... this happen also when level change...how can i avoid life decrease at level change

Not sure on the context of this, one way is to destroy the actor before that, or manage it with a variable. Or if it happens every level change, in the level change code, increase life by one. These aren't necessarily the best way, so if you want a different approach, please explain the other factors.