/**
Append a quad to a vertexarray. This version takes Vertexcolors
*/
inline void AppendQuad(sf::VertexArray& vA, const sf::FloatRect& Pos, sf::Color c) {
sf::Vertex vs[4];
SetQuadPos(vs, Pos);
SetQuadColor(vs, c);
vA.append(vs[0]);
vA.append(vs[1]);
vA.append(vs[2]);
vA.append(vs[3]);
}
/**
Append a quad to a vertexarray. This version takes Texturecoordinates
*/
inline void AppendQuad(sf::VertexArray& vA, const sf::FloatRect& Pos, geom::irect coords) {
sf::Vertex vs[4];
SetQuadPos(vs, Pos);
SetQuadTex(vs, coords);
vA.append(vs[0]);
vA.append(vs[1]);
vA.append(vs[2]);
vA.append(vs[3]);
}
void Sprite2VertexArray(const sf::Sprite & sprite,sf::VertexArray & vertices)
{
sf::IntRect texBox = sprite.getTextureRect();
sf::FloatRect box = sprite.getGlobalBounds();
vertices.append(sf::Vertex(sf::Vector2f(box.left, box.top), sf::Vector2f((float)texBox.left, (float)texBox.top)));
vertices.append(sf::Vertex(sf::Vector2f(box.left, box.top + box.height), sf::Vector2f((float)texBox.left, (float)(texBox.top + texBox.height))));
vertices.append(sf::Vertex(sf::Vector2f(box.left + box.width, box.top + box.height), sf::Vector2f((float)(texBox.left + texBox.width), (float)(texBox.top + texBox.height))));
vertices.append(sf::Vertex(sf::Vector2f(box.left + box.width, box.top), sf::Vector2f((float)(texBox.left + texBox.width), (float)texBox.top)));
}
void fTilemap::drawTile(int tileIndex, sf::VertexArray &vertices) const
{
// posición en coordenadas globales de la esquina superior izquierda del tile
sf::Vector2f tilePos = sf::Vector2f((tileIndex%_width)*_tileWidth, (tileIndex/_width)*_tileHeight);
// coordenadas de textura de la esquina superior izquierda del tile
sf::Vector2f tileCoords = sf::Vector2f(((_tiles[tileIndex]-1)%(_texture->getSize().x/_tileWidth))*_tileWidth, ((_tiles[tileIndex]-1)/(_texture->getSize().x/_tileWidth))*_tileHeight);
// posición de los vertices del triángulo superior del tile
vertices.append(sf::Vertex(sf::Vector2f(tilePos.x, tilePos.y+_tileHeight), sf::Color::White, sf::Vector2f(tileCoords.x, tileCoords.y+_tileHeight)));
vertices.append(sf::Vertex(sf::Vector2f(tilePos.x+_tileWidth, tilePos.y), sf::Color::White, sf::Vector2f(tileCoords.x + _tileWidth, tileCoords.y)));
vertices.append(sf::Vertex(sf::Vector2f(tilePos.x, tilePos.y), sf::Color::White, sf::Vector2f(tileCoords.x, tileCoords.y)));
// posición de los vertices del triángulo inferior del tile
vertices.append(sf::Vertex(sf::Vector2f(tilePos.x, tilePos.y+_tileHeight), sf::Color::White, sf::Vector2f(tileCoords.x, tileCoords.y+_tileHeight)));
vertices.append(sf::Vertex(sf::Vector2f(tilePos.x+_tileWidth, tilePos.y+_tileHeight), sf::Color::White, sf::Vector2f(tileCoords.x+_tileWidth, tileCoords.y+_tileHeight)));
vertices.append(sf::Vertex(sf::Vector2f(tilePos.x+_tileWidth, tilePos.y), sf::Color::White, sf::Vector2f(tileCoords.x + _tileWidth, tileCoords.y)));
}
void drawPoint( pair <sf::Vector2i, int> & pnt) {
sf::Vertex vertex;
vertex.color = sf::Color::Black;
for (int i = pnt.first.x; i < pnt.first.x + pnt.second; i++) {
for (int j = pnt.first.y; j < pnt.first.y + pnt.second; j++) {
vertex.position = sf::Vector2f(i, j);
draw_arr.append(vertex);
}
}
cout << draw_arr.getVertexCount() << endl;
}
static void plot(sf::VertexArray& va, int x, int y, float c, const sf::Color& color)
{
const sf::Color newColor(static_cast<sf::Uint8>(color.r * c),
static_cast<sf::Uint8>(color.g * c),
static_cast<sf::Uint8>(color.b * c));
const sf::Vertex vertex(sf::Vector2f(static_cast<float>(x),
static_cast<float>(y)),
newColor);
va.append(vertex);
}
void
computeCatmullRomPoints
(const T& P1, const T& P2, const T& P3, const T& P4,
unsigned int numSeg, sf::VertexArray & line_points){
line_points.append(P2);
for (unsigned int j = 0; j < numSeg; ++j)
{
float t = (float)j/(float)numSeg;
float t2 = t*t;
float t3 = t*t2;
T P = 0.5f*
((-t3+2.f*t2-t)*P1 +
(3.f*t3-5.f*t2+2.f)*P2 +
(-3.f*t3+4.f*t2+t)*P3 +
(t3-t2)*P4);
// addpoint2(P);
// line_points.append(P);
line_points.append(P);
}
line_points.append(P3);
}
void draw_box_old(sf::VertexArray& verts, const sf::FloatRect& rect, float thickness = 4.0f, const sf::Color color = sf::Color::Green) {
float left = rect.left;
float top = rect.top;
float right = rect.left + rect.width;
float bottom = rect.top + rect.height;
// Add a quad for the current character
verts.append(Vertex(Vector2f(left, top), color)); verts.append(Vertex(Vector2f(left, bottom), color));
verts.append(Vertex(Vector2f(left, top), color)); verts.append(Vertex(Vector2f(right, top), color));
verts.append(Vertex(Vector2f(right, bottom), color)); verts.append(Vertex(Vector2f(left, bottom), color));
verts.append(Vertex(Vector2f(right, bottom), color)); verts.append(Vertex(Vector2f(right, top), color));
}
int main()
{
sf::Clock clock;
double s = 0;
double viewZoom = 1.0f;
srand(time(0));
for (u32 i = 0; i < PN; i++)
{
particule[i]._px = rand() % WINX;
particule[i]._py = rand() % WINY;
if (INITIAL_SPEED_ACTIVATE)
{
particule[i]._mx = ((rand() % INITIAL_SPEED) - INITIAL_SPEED / 2) / INITIAL_SPEED_DIV;
particule[i]._my = ((rand() % INITIAL_SPEED) - INITIAL_SPEED / 2) / INITIAL_SPEED_DIV;
}
else
{
particule[i]._mx = 0;
particule[i]._my = 0;
}
particule[i]._mass = PAR_MASS;
particule[i]._color = PCOLOR;
}
planet.setPosition(sf::Vector2f(WINX/2, WINY/2));
planet.setOrigin(sf::Vector2f(10.0f, 10.0f));
planet.setFillColor(sf::Color::Blue);
win.create(sf::VideoMode(WINX, WINY), "ORBITE");
win.setFramerateLimit(MAXFPS);
clock.restart();
while (win.isOpen())
{
s = clock.restart().asSeconds();
s *= SPEED;
sf::View view = win.getDefaultView();
view.zoom(viewZoom);
while (win.pollEvent(eve))
{
if (eve.type == sf::Event::Closed)
win.close();
if (eve.type == sf::Event::KeyPressed)
{
if (eve.key.code == sf::Keyboard::Add)
viewZoom -= 0.25f;
else if (eve.key.code == sf::Keyboard::Subtract)
viewZoom += 0.25f;
else if (eve.key.code == sf::Keyboard::Space)
{
trace.clear();
for (u32 i = 0; i < PN; i++)
{
particule[i]._px = rand() % WINX;
particule[i]._py = rand() % WINY;
if (INITIAL_SPEED_ACTIVATE)
{
particule[i]._mx = ((rand() % INITIAL_SPEED) - INITIAL_SPEED / 2) / INITIAL_SPEED_DIV;
particule[i]._my = ((rand() % INITIAL_SPEED) - INITIAL_SPEED / 2) / INITIAL_SPEED_DIV;
}
else
{
particule[i]._mx = 0;
particule[i]._my = 0;
}
particule[i]._mass = PAR_MASS;
particule[i]._color = PCOLOR;
}
}
}
}
planet.setPosition((sf::Vector2f)sf::Mouse::getPosition(win));
for (u32 i = 0; i < PN; i++)
{
particule[i].updateToPosition(planet.getPosition(), PL_MASS, s);
part[i].position = sf::Vector2f(particule[i]._px, particule[i]._py);
part[i].color = particule[i]._color;
if (ACTIVATE_ORBIT_TRACE)
{
sf::Vertex cpy = part[i];
trace.append(cpy);
}
}
win.setView(view);
win.clear(sf::Color::Black);
win.draw(planet);
win.draw(part);
win.draw(trace);
win.display();
}
return (0);
}
/**
Append a line to a vertexarray ( 2 vertices).
*/
inline void AppendLine(sf::VertexArray& vA, const sf::Vector2f& start, const sf::Vector2f& end, const sf::Color& c) {
vA.append(sf::Vertex(start, c));
vA.append(sf::Vertex(end, c));
}
