private static void BlurPixel(
KZTexture src, KZTexture dest,
int x, int y, float[,] kernel)
{
Color color = new Color(0, 0, 0, 0);
Color defaultColor = KZColor.GetColor(src.GetPixel(x, y), 0);
int index = 0;
int row = kernel.GetLength(0);
int col = kernel.GetLength(1);
int halfRow = row / 2;
int halfCol = col / 2;
for(int i=0; i<row; i++) {
for(int j=0; j<col; j++) {
Color c = KZColor.Mul(
src.GetPixel(x - halfCol + j,
y - halfRow + i, defaultColor),
kernel[i, j]);
color.r += c.r;
color.g += c.g;
color.b += c.b;
color.a += c.a;
}
}
//Debug.Log(color);
dest.SetPixel(x, y, color);
}
private static void ApplyNoise(KZTexture texture, float intensity)
{
if(intensity == 0) return;
for(int y=0; y<texture.height; y++) {
for(int x=0; x<texture.width; x++) {
Color c = texture.GetPixel(x, y);
texture.SetPixel(x, y, new Color(
c.r, c.g, c.b, c.a + Random.Range(-intensity, intensity)));
}
}
}
private static void ApplyPerlin(
KZTexture texture, float perlinStart, float perlinScale)
{
for(int x=0; x<texture.width; x++) {
float perlin = Mathf.PerlinNoise(
perlinStart +
(float)x / texture.width * perlinScale, 0);
for(int y=0; y<texture.height; y++) {
//Debug.Log(perlin);
Color c = texture.GetPixel(x, y);
texture.SetPixel(x, y, new Color(
c.r, c.g, c.b, Mathf.Min(1, perlin * c.a)));
}
}
}
private static void ApplyGradient(KZTexture texture,
float maxAlpha)
{
for(int y=0; y<texture.height; y++) {
float a = maxAlpha - ((float)y/(texture.height-1) * maxAlpha);
for(int x=0; x<texture.width; x++) {
Color c = texture.GetPixel(x, y);
texture.SetPixel(x, y, new Color(c.r, c.g, c.b, c.a * a));
}
}
}