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As you all may be well aware, 3D graphics in games are maily to do with vectors, polygons and the like, all 3D games have this is common. These make up 3D models (wireframes) and then a texture is mapped around the object to make it look more like the thing it is meant to be. Some games use fully 3D environements (i.e. wireframes wrapped in textures to make the envirinments) others use what are known as pre-rendered backdrops, i.e. a 2D drawing which the characters the run around on, some games use a mixture of both. That is your basic 3D environment.
Different effects are then used to make games look better, some are done by the hardware, others by the software itself (this needs more processing power).
Mip-mapping - used to blur images in the distance so that they look out of focus, to make the scene look more realistic.
Z-buffer - used to make sure that objects which are behind other objects on the screen are not in view.
Environment mapping - used to show the surroundings reflecting off of an object (usually in car games, but some cheat, like RRV which just scrolls a picture of trees along the surface of the car.)
Anti-aliasing - there are different types, the most popular being full screen and edge, but more importantly they blur pixels to prevent jagged edges.
There are many, many more but these are the few which I think people are most concerned with when it comes to rating a games graphics, along with the term pop-up. Pop-up is the objects in the distance just appearing out of no where. This is usually caused by the developer reducing the draw length of the game (how far into the distance you can see), the old fashioned way was to use fog effects (i.e. Turok on the N64)
Anyway all of these combined create a good looking visual scene. But what is more important high resolution with no jagged edges but lower quality models and textures, or a little less resolution with jagged edges but much more detailed models and textures??
To look at this we must first find two games to compare on the same platform and the PS2 is the ideal candidate with Crazi Taxi and RRV.
Crazi Taxi has;
High resolution
few jagged edges
low quality models
low quality textures
decent frame rate with some slow down
severe pop-up
RRV has;
Lower Resolution
Severe jagged edges
high quality models
high quality textures
supreme frame rate with no slow down
no pop-up
a form of environment mapping
mip-mapping
Personally I can live with the jagged edges and lower resolution because it lifts the frame rate and therefore the overall speed of the game and allows for a much higher detail of graphical finese from developers. When you look at the little details in RRV like sparks flying from the car as it scrapes the ground or the brake pads lighting up under the heat created by severe braking. It by no means makes it a better game than Crazi Taxi, they are both quite good, but graphically it is far more advanced and technically brilliant. Many people have slagged off the graphics on show in RRV, because they looked at the jagged edges and said, yuk!!
I hope this makes some people think about what they should and shouldn't be looking for in their graphics, true different people like different things, and yes it doesn't effect the gameplay, but I like my eye candy too.
As you all may be well aware, 3D graphics in games are maily to do with vectors, polygons and the like, all 3D games have this is common. These make up 3D models (wireframes) and then a texture is mapped around the object to make it look more like the thing it is meant to be. Some games use fully 3D environements (i.e. wireframes wrapped in textures to make the envirinments) others use what are known as pre-rendered backdrops, i.e. a 2D drawing which the characters the run around on, some games use a mixture of both. That is your basic 3D environment.
Different effects are then used to make games look better, some are done by the hardware, others by the software itself (this needs more processing power).
Mip-mapping - used to blur images in the distance so that they look out of focus, to make the scene look more realistic.
Z-buffer - used to make sure that objects which are behind other objects on the screen are not in view.
Environment mapping - used to show the surroundings reflecting off of an object (usually in car games, but some cheat, like RRV which just scrolls a picture of trees along the surface of the car.)
Anti-aliasing - there are different types, the most popular being full screen and edge, but more importantly they blur pixels to prevent jagged edges.
There are many, many more but these are the few which I think people are most concerned with when it comes to rating a games graphics, along with the term pop-up. Pop-up is the objects in the distance just appearing out of no where. This is usually caused by the developer reducing the draw length of the game (how far into the distance you can see), the old fashioned way was to use fog effects (i.e. Turok on the N64)
Anyway all of these combined create a good looking visual scene. But what is more important high resolution with no jagged edges but lower quality models and textures, or a little less resolution with jagged edges but much more detailed models and textures??
To look at this we must first find two games to compare on the same platform and the PS2 is the ideal candidate with Crazi Taxi and RRV.
Crazi Taxi has;
High resolution
few jagged edges
low quality models
low quality textures
decent frame rate with some slow down
severe pop-up
RRV has;
Lower Resolution
Severe jagged edges
high quality models
high quality textures
supreme frame rate with no slow down
no pop-up
a form of environment mapping
mip-mapping
Personally I can live with the jagged edges and lower resolution because it lifts the frame rate and therefore the overall speed of the game and allows for a much higher detail of graphical finese from developers. When you look at the little details in RRV like sparks flying from the car as it scrapes the ground or the brake pads lighting up under the heat created by severe braking. It by no means makes it a better game than Crazi Taxi, they are both quite good, but graphically it is far more advanced and technically brilliant. Many people have slagged off the graphics on show in RRV, because they looked at the jagged edges and said, yuk!!
I hope this makes some people think about what they should and shouldn't be looking for in their graphics, true different people like different things, and yes it doesn't effect the gameplay, but I like my eye candy too.
It by no means makes it a
> better game than Crazi Taxi
Answer your question GP???
Crazy Taxi PS2 has tiny tiny jagged edges but trust me you can't see them unless your 1 foot away from the screen and really looking hard and the dreamcast version even had these.
> Yes thanks. I was just saying that maybe they sacrificed a bit on
> graphics to make the game better.
No, I think it was because the DC couldn't handle better graphics and they were too lazy to update them for the PS2. That way they could get a quick release, and makes it ideal for this sort of comparison, if it makes everyone happy, I can do the same when I get my hands on GT3, compare GT3, RRV and Crazi Taxi, that is!!!