Purpose: I want to Color. The Lerp (), will be the Color of the Text in the Canvas fade out, and the transparency of Text Color is smooth to 0,

 
Public Text m_Text; 

Void the Update () 
{
FadeText (); 
} 

Void FadeText () 
{
M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), 3 f). 
The Debug Log (m_Text. Color); 
} 

I am can't understand why this text color is the second variable transparency of 0, have know and help me?

CodePudding user response:

Xie ask
Lerp function USES the method is correct
But the problem here m_Text. Color=color. The Lerp (m_Text. Color, the new color (255,0,0,0), 3 f).
Lerp function. The first parameter should not be m_Text color because m_Text. The color is you set to each frame change, so lead to more and more quick time is not a 3 s
The correct approach

//in front of the assignment
Color Begincolor=m_Text. Color;
Public Text m_Text;

Void the Update ()
{
FadeText ();
}

Void FadeText ()
{
M_Text. Color=color. Lerp (Begincolor, new color (255,0,0,0), 3 f).
The Debug Log (m_Text. Color);
}

CodePudding user response:

Eldest brother you to knot a post,,,

CodePudding user response:

Two of Lerp didn't understand, the third parameter is 0 ~ 1 is greater than 1 is 1,

Lerp (a, b, r)
Is actually a + r * r (b - a) if is 1 is not b, transient,


You need to use a variable record
Float changetime=0 f; Before the change set to 0
Then every Time the update changetime +=Time. DeltaTime;


M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime);//this is not uniform, get down in 1 seconds,

If you want to slow down
M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime/3);//don't get down in three seconds at a constant speed,

CodePudding user response:

reference zhenmu reply: 3/f

two Lerp didn't understand, the third parameter is 0 ~ 1 is greater than 1 is 1,

Lerp (a, b, r)
Is actually a + r * r (b - a) if is 1 is not b, transient,


You need to use a variable record
Float changetime=0 f; Before the change set to 0
Then every Time the update changetime +=Time. DeltaTime;


M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime);//this is not uniform, get down in 1 seconds,

If you want to slow down
M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime/3);//don't get down in three seconds at a constant speed,

Sorry is I think wrong at that time may be a little mistaken for the original poster I answer cause errors and trouble I apologize to the original poster
Correct because it is
Public float duration=3.0 f;
Float currentTime=0;
Float precent=0;
Color Begincolor=m_Text. Color;
Public Text m_Text;

Void the update () {
CurrentTime +=Time. DeltaTime;
If (currentTime & gt; Duration)
CurrentTime=duration;
Percent=currentTime/duration;
ChangeColor (percent);
}

Void percent (float percent) {
M_Text. Color=color. Lerp (Begincolor, new color (255,0,0,0), percent);
The Debug Log (m_Text. Color);
}

This should be a uniform finish 3 s change

CodePudding user response:

reference zhenmu reply: 3/f

two Lerp didn't understand, the third parameter is 0 ~ 1 is greater than 1 is 1,

Lerp (a, b, r)
Is actually a + r * r (b - a) if is 1 is not b, transient,


You need to use a variable record
Float changetime=0 f; Before the change set to 0
Then every Time the update changetime +=Time. DeltaTime;


M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime);//this is not uniform, get down in 1 seconds,

If you want to slow down
M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime/3);//don't get down in three seconds at a constant speed,

 
Using UnityEngine; 
using System.Collections; 
Using UnityEngine. UI; 
Public class TColor: MonoBehaviour {

Public float duration=3 f; 
Float currentTime=0; 
Public float percent=0; 
Public Text m_Text; 
Color a; 

Void the Start () {
A=m_Text. Color; 
} 

Void the Update () {
CurrentTime +=Time. DeltaTime; 
If (currentTime & gt; Duration) 
CurrentTime=duration; 
Percent=currentTime/duration; 
ChangeColor (percent); 
} 

Void ChangeColor (float percent) {
M_Text. Color=color. Lerp (a, color. Red, percent); 
The Debug Log (m_Text. Color); 
} 
} 

This test after May 3 seconds well
Floor Lord
If this is you write
M_Text. Color=color. Lerp (m_Text. Color, the new color (255,0,0,0), changetime/3);
The first parameter is the Lerp function m_Text won't 3 s is less than 3 s

CodePudding user response:

And the building Lord since you need the transparency that is RGBA
Red transparent RGBA is new Color (1,0,0,0)
Instead of the new Color (255,0,0,0)