void Start()
{
wave_equation_ = new WaveEquation();
wave_equation_.init(256 /* width */, RenderTextureFormat.ARGB32, false /* clamp */);
water_input_drawer_ = new WaterInputDrawer();
water_input_drawer_.init(water_input_material_, SCALE);
}
public void init(Material water_input_material, bool distortion, bool line_render)
{
vertices_list_ = new Vector3[VERTICES_NUM];
float prev_y = 0f;
for (var y = 0; y < Y_NUM; ++y) {
float last_y = 0f;
for (var x = 0; x < X_NUM; ++x) {
last_y = create_vertex(x, y, ref vertices_list_[x+y*X_NUM], prev_y, distortion);
}
prev_y = last_y;
}
var triangles = new int[TRIS_NUM];
{
var i = 0;
for (var y = 0; y < Y_NUM-1; ++y) {
for (var x = 0; x < X_NUM-1; ++x) {
triangles[i] = (y + 0) * (X_NUM) + x + 0; ++i;
triangles[i] = (y + 1) * (X_NUM) + x + 0; ++i;
triangles[i] = (y + 0) * (X_NUM) + x + 1; ++i;
triangles[i] = (y + 1) * (X_NUM) + x + 0; ++i;
triangles[i] = (y + 1) * (X_NUM) + x + 1; ++i;
triangles[i] = (y + 0) * (X_NUM) + x + 1; ++i;
}
}
}
var uvs_list = new Vector2[VERTICES_NUM];
for (var y = 0; y < Y_NUM; ++y) {
for (var x = 0; x < X_NUM; ++x) {
uvs_list[x+y*X_NUM].x = 1.0f/(X_NUM-1)*x;
uvs_list[x+y*X_NUM].y = 1.0f/(Y_NUM-1)*y;
}
}
mesh_ = new Mesh();
mesh_.name = "WaterSurface";
mesh_.vertices = vertices_list_;
mesh_.uv = uvs_list;
mesh_.triangles = triangles;
// line mesh rendering for debug.
if (line_render) {
int[] indices = new int[2 * triangles.Length];
int i = 0;
for (int t = 0; t < triangles.Length; t += 3) {
indices[i++] = triangles[t+0];
indices[i++] = triangles[t+1];
indices[i++] = triangles[t+1];
indices[i++] = triangles[t+2];
indices[i++] = triangles[t+2];
indices[i++] = triangles[t+0];
}
mesh_.SetIndices(indices, MeshTopology.Lines, 0);
}
mesh_.RecalculateBounds();
water_input_drawer_ = new WaterInputDrawer();
water_input_drawer_.init(water_input_material, SCALE);
}