generateVertexTexCoords method
- Vector2List texCoords,
- Vector3List positions,
- Uint16List indices
override
Implementation
@override
void generateVertexTexCoords(
Vector2List texCoords, Vector3List positions, Uint16List indices) {
if (_stripTextureCoordinates) {
final v = Vector2.zero();
var index = 0;
for (var i = 0; i <= _segments; i++) {
final percent = i / _segments;
v
..x = 0.0
..y = percent;
texCoords[index] = v;
index++;
v
..x = 1.0
..y = percent;
texCoords[index] = v;
index++;
}
} else {
final v = Vector2.zero();
var index = 0;
for (var i = 0; i <= _segments; i++) {
var position = positions[index];
var x = (position.x / (_outerRadius + 1.0)) * 0.5;
var y = (position.z / (_outerRadius + 1.0)) * 0.5;
v
..x = x + 0.5
..y = y + 0.5;
texCoords[index] = v;
index++;
position = positions[index];
x = (position.x / (_outerRadius + 1.0)) * 0.5;
y = (position.z / (_outerRadius + 1.0)) * 0.5;
v
..x = x + 0.5
..y = y + 0.5;
texCoords[index] = v;
index++;
}
assert(index == vertexCount);
}
}