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How realizes a spot when the movement is does not display, but after it meets a triangle on static and display the color (white)! After this triangular motion in the past this spot in continuation movement! !and does not disp too!!! Can you help me?????!

um.. BASS?

go though each row of array put the value of color in to memory then read next value in the row while it has the same color when you find different color value or reach the end of row
draw the line of the color from start point to end point, and continue the process.

i cann't you mean ?????
i want a particle accross a triangle and display white
but after this the particle didn't display

did you translate that post into english using babelfish?

smash: he probably used EP's translator :)

hehe!!!! i'm sorry do you understand what did i said??

i want a particle accross a triangle and this particle display white
but after this the particle didn't display

i SO dont get a WORD of what he means.

Ghost: I assume you are searching for a simple point/triangle collision test?

HAHAHA OMG WTF ROLF TEH PARTIXEL DID NOT DISPLAY LOL!!!!

maybe you should ask some coder who speaks your NATIVE language.

glBegin(GL_EHHH__WTF);
//code goes here..
glEnd();

I want a DUNGEON HORROR! / BASS! collision test.

my god !!
no collision test
it is like a radar effect ?? radar scan !!!!
my english is poor
sorry everyone!!
i want improve my english
thanks everyone

there is one man that can help you improve EVERYTHING!



TIM 'THE TOOLMAN' TAYLOR!

i think the word "accross" give you the different meanings

how realizing i wanting white dropz sticky on pink triangular when angle rotates disappearing flash. it dos not cum! help me!

Ghost: I think I figured out what you want now. In that case I think you should just take the angle of the "radar scan" line and the angle of the particle and the center and if its small enough just blink :)

I HAVE THE INVENTED EFFECT. IT IS NEW! EFFECT NAME IS I CALL HYPNOGLOW AND IT DOES GLOW AS HYPNOTIC. BUT. HOW TO SET TO GLOW THE VISUAL C++? ALSO HOW TO HYPNO THE GLOW? MAYBE THANKS IN ADVANCED!

Ghost: I think I figured out what you meant. Were you actually refering to this effect?

Gargaj ::i think you know what i want .
but i don't how to actualize.
especially the patticle in the afterglow,how to display

no ~~~~~
thanks

dear ghost,
if you can find some demo/picture where's similar effect, could you please show it?

You could try this:

Your particle (or spot) has a number assigned to it, that represents its current brightness (color), and as time passes by, you decrease the number. Whenever the radar-line hits the spot, the number is increased to the max. I mean something like:

color = color * exp(lastTime - currentTime);
if (radar hit pixel) color = 255;

where "radar hit pixel" is done the way gargaj explained. Hope this helps.