// Start is called before the first frame update
void Start()
{
GradientColorKey[] colorKey;
GradientAlphaKey[] alphaKey;
Gradient gradient = new Gradient();
hm = new Heatmap(99, 72);
// Populate the color keys at the relative time 0 and 1 (0 and 100%)
colorKey = new GradientColorKey[2];
colorKey[0].color = Color.red;
colorKey[0].time = 0.0f;
colorKey[1].color = Color.blue;
colorKey[1].time = 1.0f;
// Populate the alpha keys at relative time 0 and 1 (0 and 100%)
alphaKey = new GradientAlphaKey[2];
alphaKey[0].alpha = 1.0f;
alphaKey[0].time = 0.0f;
alphaKey[1].alpha = 0.0f;
alphaKey[1].time = 1.0f;
gradient.SetKeys(colorKey, alphaKey);
textref = new Texture2D(rt.height, rt.width, TextureFormat.RGBA32, false);
RenderTexture.active = rt;
textref = hm.GetImage();
textref.SetPixel(0, 0, new Color(0f, 0f, 1.0f, 1.0f));
textref.Apply();
GetComponent <Renderer>().material.mainTexture = textref;
Graphics.Blit(textref, rt);
}
// Update is called once per frame
void Update()
{
if (toUpdate)
{
textref = hm.GetImage();
textref.Apply();
GetComponent <Renderer>().material.mainTexture = textref;
Graphics.Blit(textref, rt);
toUpdate = false;
}
}