Circle::Circle(const float32 x, const float32 y, const float32 radius, const uint32 vertices) : Renderable((vertices * 2) + 2, 2),
vertices(vertices),
radius(radius),
borderThickness(0.0f),
borderFill(color::Green),
fill(color::Red) {
transform.position.x = x;
transform.position.y = y;
transform.origin.x = radius;
transform.origin.y = radius;
localBounds.w = radius * 2.0f;
localBounds.h = radius * 2.0f;
RenderElementData& shapeRenderData = renderData.renderElements[0];
shapeRenderData.first = 0;
shapeRenderData.last = vertices + 1; // +1 caused by center vertex.
shapeRenderData.vertexElements = 7;
shapeRenderData.offset = 2;
shapeRenderData.renderMode = RenderMode::TriangleFan;
RenderElementData& borderRenderData = renderData.renderElements[1];
borderRenderData.first = vertices + 2; // End of shape vertices + shape center + border center.
borderRenderData.last = vertices * 2 + 1; // Shape + border center offset.
borderRenderData.vertexElements = 7;
borderRenderData.offset = 2;
borderRenderData.renderMode = RenderMode::TriangleFan;
recomputeBounds(*this);
recomputeVertices(*this);
updateRenderData(*this);
}
void LineRenderer::rebuildMesh() {
auto meshData = mMesh->meshData();
meshData->setPosition(mPoints);
meshData->recomputeBounds();
meshData->setSubmesh(0, mIndices, mMeshType);
mMesh->setMeshData(meshData);
}
