void CueTable::addPockets(Polygon2& shape, int numOfHoles){
vector< Edge2 > edges = shape.getEdges();
for(int i = 0; i < numOfHoles; ){
Edge2 edge = edges[rand() % edges.size()];
float alpha = linearRand(0.0f, 1.0f);
if(insertPocket(shape, lerp(edge[0],edge[1],alpha))){
i++;
}
}
}
void CueTable::createTableMesh(Polygon2& shape){
tableMesh = new Mesh();
float size = 5.0f;
vec3 offset = vec3(0,1,0) * size;
for(auto& edge : shape.getEdges()){
vec3 v0 = vec3 (edge[0].x, 0, edge[0].y);
vec3 v1 = vec3 (edge[1].x, 0, edge[1].y);
vec3 v2 = v0 + offset;
vec3 v3 = v1 + offset;
tableMesh->beginTriangle();
tableMesh->vertex(v2);
tableMesh->vertex(v1);
tableMesh->vertex(v0);
tableMesh->color(vec3(0.0, 1.0, 0.0));
tableMesh->color(vec3(0.0, 1.0, 0.0));
tableMesh->color(vec3(0.0, 1.0, 0.0));
tableMesh->calculateNormals();
tableMesh->endTriangle();
tableMesh->beginTriangle();
tableMesh->vertex(v2);
tableMesh->vertex(v3);
tableMesh->vertex(v1);
tableMesh->color(vec3(0.0, 1.0, 0.0));
tableMesh->color(vec3(0.0, 1.0, 0.0));
tableMesh->color(vec3(0.0, 1.0, 0.0));
tableMesh->calculateNormals();
tableMesh->endTriangle();
}
tableMesh->build();
}
bool CueTable::insertPocket(Polygon2& shape, vec2 holePos){
const Circle circle(holePos, 1.0f);
auto edges = &shape.getEdges();
int countEdges = 0;
for(uint i = 0; i < edges->size(); i++){
Edge2 edge = edges->at(i);
if(circle.inside(edge[0]) ^ circle.inside(edge[1])){
countEdges++;
}
}
if(countEdges > 2){
return false;
}else if (countEdges == 1){
return false;
}
for( auto it = edges->begin(); it != edges->end(); ){
Edge2 edge = (*it);
if(circle.inside(edge[0]) && circle.inside(edge[1])){
it = edges->erase( it );
}else{
it++;
}
}
for( auto it = edges->begin(); it != edges->end(); ){
Edge2 edge = (*it);
vec2 alpha;
IntersectionType intType = circleIntersection(edge, circle, alpha.x, alpha.y);
vec2 edge0 = edge[0];
vec2 edge1 = edge[1];
vec2 hit0 = lerp(edge0,edge1,alpha[0]);
vec2 hit1 = lerp(edge0,edge1,alpha[1]);
switch (intType) {
case IMPALE: {
it = edges->erase( it );
it = edges->insert(it, Edge2(edge0, hit0));
/*vector<Edge2> pocketEdges = generatePocketEdges(circle, Edge2(edge0, hit0), Edge2(hit1, edge1), 10);
for( auto& e : pocketEdges )
it = edges->insert( it + 1, e );*/
it = edges->insert(it + 1, Edge2(hit1, edge1));
it--;
break;
}
case POKE: {
it->at(1) = hit0;
/*vector<Edge2> pocketEdges = generatePocketEdges(circle, *it, *(it+1), 10);
for( auto& e : pocketEdges )
it = edges->insert( it + 1, e );*/
break;
}
case EXITWOUND: {
it->at(0) = hit1;
break;
}
case COMPLETELYINSIDE:
case FALLSHORT:
case PAST:
case NONE: break;
case INVALID:
default: assert(0);
}
it++;
}
return true;
}
