)
Bonjour boubouk!boubouk50 a écrit :Depuis l'éditeur ou en runtime?
En sprite ou sur un objet 3D?
Code : Tout sélectionner
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
public class MainCameraScript : MonoBehaviour
{
public GameObject screen;
public Material bmp;
// Use this for initialization
void Start()
{
SetTexture("C:\\testimage.png");
}
void SetTexture(string path)
{
// Create new texture2d
Texture2D tex = LoadPNG(path);
if (tex == null)
{
return;
}
// Set width/height scale/offset for UV's
float twidth = 1.0f;
float theight = 1.0f;
float owidth = 0.0f;
float oheight = 0.0f;
if (tex.width >= tex.height)
{
theight = (float)tex.width / tex.height; // Tiling
oheight = oheight = (theight -1) / -2; // Offset
}
else
{
twidth = (float)tex.height / tex.width;
owidth = (twidth -1) / -2;
}
// Set texture to material albedo
bmp.mainTexture = tex;
// Scale object UVs to fit texture
bmp.mainTextureScale = new Vector2(twidth, theight);
bmp.mainTextureOffset = new Vector2(owidth, oheight);
}
public static Texture2D LoadPNG(string filePath)
{
Texture2D tex = null;
byte[] fileData;
if (File.Exists(filePath))
{
fileData = File.ReadAllBytes(filePath);
tex = new Texture2D(2, 2, TextureFormat.ARGB32, false);
tex.filterMode = FilterMode.Point;
tex.wrapMode = TextureWrapMode.Clamp;
tex.LoadImage(fileData); //..this will auto-resize the texture dimensions.
}
return tex;
}
}alors c'est très simple
! Code : Tout sélectionner
Shader "CustomShader/Unlit Clamp-To-Zero" {
Properties {
_MainTex ("Base Texture (RGB)", 2D) = "white" {}
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 100
Cull Off
CGPROGRAM
#pragma surface surf Unlit
#include "UnityCG.cginc"
half4 LightingUnlit (SurfaceOutput s, half3 lightDir, half atten) {
half4 c;
c.rgb = s.Albedo;
c.a = 1;
return c;
}
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
void surf(Input IN, inout SurfaceOutput o) {
fixed4 tex = tex2D(_MainTex, IN.uv_MainTex);
fixed4 c;
if (IN.uv_MainTex.x > 1.0 || IN.uv_MainTex.x < 0.0 || IN.uv_MainTex.y > 1.0 || IN.uv_MainTex.y < 0.0)
c = fixed4 (0, 0, 0, 0);
else
c = tex;
o.Albedo = c.rgb;
}
ENDCG
}
Fallback "Diffuse"
}
