03_ UE4 advanced_ illumination

thought ： Light pull well , To give full play to the beauty of materials .

 

Each light is divided into three types of static ： static state 、 Semi dynamic , dynamic

Here is an extra tip , How to make objects flush with the ground

That's holding down z Axis , Press end key .

Delete the fence , Let's build a house first .

Pull in a cube

  take xyz Adjust them to 20,0.25,10

 

 

  Hold down z Axis and end key , to ground

From the top , Press alt To copy the wall

  

  Three walls are formed by copying and scaling the walls , Formed a door

 

  Copy another wall , To be the ceiling .

Put the small lamp on the ground

  Add a spotlight on it

  Now there's a problem , The house is built , Why isn't the house dark , This is due to the skylight , He played a global role （ No matter how sheltered ） effect .

We put skylight Adjust this intensity range , Make a comparison

5 When

 0.5 When

  Set the intensity range to 0, I found the room completely dark . 

Add a point light source to the stove , See the effect

  Static light source （ Semi dynamic light source ） The use of requires baking ： Attach light to nearby materials , In this way, when you start the game, you don't need to calculate the light intensity in real time , Save game expenses , Only after baking can the effect of static light appear .（ It is not recommended to adjust the local light to dynamic ）

Adjust the hue of the light source .

 

  Adjust the range of the point light .

Now let's set the point light as a static light .

  The upper left corner will show that there are objects that have not been built

  First, modify the construction quality of light , We set high quality  

Start baking

 

effect

Increase the intensity of spotlight

  Hang up the light , It's more comfortable

  Build lighting , effect

This is when light hits an object , Reflection of light , The greater the number , The greater the reflection , The brighter the room .

 

  Now there's a problem , After static light baking, there is no , Little white man goes , No shadow left .

Semi static light comes in handy .

We change these two lights into fixed .

And then build , effect ：

 

  summary ： The sun is set as dynamic light , The local light source is set as semi dynamic light to bake .