public InfluenceMapSection UpdatePhysicalInfluence(Vector3 position, InfluenceMapSection section, int distance = 3)
{
texIsDirty = true;
//todo store grid outside of texture, use texture for display only
for (int i = 0; i < section.length; i++)
{
var node = section.nodes[i];
int pixelIndex = node.col * dimension + node.row;
Color pixelColor = pixels[pixelIndex];
pixels[pixelIndex] = pixelColor - new Color(0, 1, 0, node.influence);
tex.SetPixel(node.col, node.row, pixels[pixelIndex]);
}
float percentX = (position.x + terrainOriginOffset) / terrainResolution;
float percentZ = (position.z + terrainOriginOffset) / terrainResolution;
int row = (int)(percentZ * dimension);
int col = (int)(percentX * dimension);
int r = row - distance;
int c = col - distance;
int count = distance * 2 + 1;
section.Clear();
int mapIdx = 0;
for (int i = 0; i < count; i++)
{
for (int j = 0; j < count; j++)
{
int ci = c + i;
int rj = r + j;
if (ci >= 0 && ci < dimension && rj >= 0 && rj < dimension)
{
int pixelIndex = ci * dimension + rj;
float normalizedDistance = 1 - ((new Vector2(col, row) - new Vector2(ci, rj)).magnitude / 5f);
float influence = curve.Evaluate(normalizedDistance);
section.nodes[mapIdx++] = new InfluenceMapNode(ci, rj, influence);
Color color = pixels[pixelIndex] + new Color(0, 1, 0, influence);
tex.SetPixel(ci, rj, color);
pixels[pixelIndex] = color;
}
}
}
section.length = mapIdx;
tex.SetPixel(col, row, new Color(1, 0, 0, 1));
return(section);
}
public InfluenceMapSection UpdatePhysicalInfluence(Vector3 position, InfluenceMapSection section, int distance = 3) {
texIsDirty = true;
//todo store grid outside of texture, use texture for display only
for (int i = 0; i < section.length; i++) {
var node = section.nodes[i];
int pixelIndex = node.col * dimension + node.row;
Color pixelColor = pixels[pixelIndex];
pixels[pixelIndex] = pixelColor - new Color(0, 1, 0, node.influence);
tex.SetPixel(node.col, node.row, pixels[pixelIndex]);
}
float percentX = (position.x + terrainOriginOffset) / terrainResolution;
float percentZ = (position.z + terrainOriginOffset) / terrainResolution;
int row = (int)(percentZ * dimension);
int col = (int)(percentX * dimension);
int r = row - distance;
int c = col - distance;
int count = distance * 2 + 1;
section.Clear();
int mapIdx = 0;
for (int i = 0; i < count; i++) {
for (int j = 0; j < count; j++) {
int ci = c + i;
int rj = r + j;
if (ci >= 0 && ci < dimension && rj >= 0 && rj < dimension) {
int pixelIndex = ci * dimension + rj;
float normalizedDistance = 1 - ((new Vector2(col, row) - new Vector2(ci, rj)).magnitude / 5f);
float influence = curve.Evaluate(normalizedDistance);
section.nodes[mapIdx++] = new InfluenceMapNode(ci, rj, influence);
Color color = pixels[pixelIndex] + new Color(0, 1, 0, influence);
tex.SetPixel(ci, rj, color);
pixels[pixelIndex] = color;
}
}
}
section.length = mapIdx;
tex.SetPixel(col, row, new Color(1, 0, 0, 1));
return section;
}