void Mesh::calcUVSphere(){
for (int i=0; i<numVerts; i++){
Vector3 v = getVertex(i);
float r = sqrt(v.x*v.x+v.z*v.z);
setUV(i,atan2f(v.x,v.z)/Math::PI+0.5f, atan2f(v.y,r)/Math::PI+0.5f);
}
}
void Face::setUV(unsigned int facePoint, vector< UV > pointUVs)
{
unsigned int i;
for (i = 0; i < pointUVs.size(); i++)
{
setUV(facePoint,pointUVs[i],i);
}
};
void Sprite::loadFromAtlas(const char *key){
std::map<std::string, AtlasInfo>::iterator it = _atlasMap.find(key);
if ( it != _atlasMap.end() ){
AtlasInfo& atlas = it->second;
_pTextureRes = TextureRes::create(atlas.file.c_str());
if ( _pTextureRes ){
setUV(atlas.u, atlas.v, atlas.w, atlas.h);
}
}
}
Sprite::Sprite(const char* texFileName, bool reserveData, bool &ok)
:_u1(0.f), _v1(0.f), _u2(1.f), _v2(1.f)
,_ancX(0.f), _ancY(0.f)
, _width(1), _height(1){
_pTextureRes = PODTextureRes::create(texFileName, reserveData);
ok = _pTextureRes != NULL;
_texW = _pTextureRes->getHeader()->dwWidth;
_texH = _pTextureRes->getHeader()->dwHeight;
_glId = _pTextureRes->getGlId();
_hasAlpha = _pTextureRes->getHeader()->dwAlphaBitMask != 0;
setUV(0, 0, -1, -1);
}
void updateSprite(Sprite * sprite, float x, float y, float width, float height, ColorRGBA color,
Vec4* uvs, SpriteFlags flags) {
Vertex vertexData[6];
float firstX, firstY, secondX, secondY, thirdX, thirdY, fourthX, fourthY;
// Setting the UV coordinates
if (flags & SPRITE_REVERSE) {
firstX = uvs->x;
firstY = uvs->y + uvs->w;
secondX = uvs->x + uvs->z;
secondY = uvs->y + uvs->w;
thirdX = uvs->x + uvs->z;
thirdY = uvs->y;
fourthX = uvs->x;
fourthY = uvs->y;
} else {
firstX = uvs->x + uvs->z;
firstY = uvs->y + uvs->w;
secondX = uvs->x;
secondY = uvs->y + uvs->w;
thirdX = uvs->x;
thirdY = uvs->y;
fourthX = uvs->x + uvs->z;
fourthY = uvs->y;
}
//First Triangle
setPosition(&vertexData[0], x + width, y + height);
setUV(&vertexData[0], firstX, firstY);
setPosition(&vertexData[1], x, y + height);
setUV(&vertexData[1], secondX, secondY);
setPosition(&vertexData[2], x, y);
setUV(&vertexData[2], thirdX, thirdY);
//Second Triangle
setPosition(&vertexData[3], x, y);
setUV(&vertexData[3], thirdX, thirdY);
setPosition(&vertexData[4], x + width, y);
setUV(&vertexData[4], fourthX, fourthY);
setPosition(&vertexData[5], x + width, y + height);
setUV(&vertexData[5], firstX, firstY);
//Set all vertex colors to magenta
for (int i = 0; i < 6; i++) {
vertexData[i].color = color;
}
// Binding buffer with our buffer id
glBindBuffer(GL_ARRAY_BUFFER, sprite->vbo);
// Uploading data
glBufferData(GL_ARRAY_BUFFER, sizeof(vertexData), vertexData, GL_STATIC_DRAW);
// Unbinding buffer at the end
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void Plan::initialize()
{
if (!is_init)
{
this->_geometry->pushVertex(glm::vec3(-0.5, 0, 0.5));
this->_geometry->pushVertex(glm::vec3(0.5, 0, 0.5));
this->_geometry->pushVertex(glm::vec3(0.5, 0, -0.5));
this->_geometry->pushVertex(glm::vec3(-0.5, 0, -0.5));
setUV();
this->_geometry->build();
is_init = true;
}
}
void Mesh::calcUVPlaneXZ(){
float maxX = 0;
float maxZ = 0;
for (int i=0; i<numVerts; i++){
Vector3 v = getVertex(i);
if (fabs(v.x)>maxX)
maxX = fabs(v.x);
if (fabs(v.z)>maxZ)
maxZ = fabs(v.z);
}
for (int i=0; i<numVerts; i++){
Vector3 v = getVertex(i);
setUV(i,v.x/maxX/2.0f+0.5f, v.z/maxZ/2.0f+0.5f);
}
}
void Mesh::calcUVPlaneXY(){
float maxX = 0;
float maxY = 0;
for (int i=0; i<numVerts; i++){
Vector3 v = getVertex(i);
if (fabs(v.x)>maxX)
maxX = fabs(v.x);
if (fabs(v.y)>maxY)
maxY = fabs(v.y);
}
for (int i=0; i<numVerts; i++){
Vector3 v = getVertex(i);
setUV(i,v.x/maxX/2.0f+0.5f, v.y/maxY/2.0f+0.5f);
}
}
void Block::paste(int u, int v, MatrixXf * target, Vector<Vector<Point> > * targetAsPos)
{
setUV(u, v);
float final;
MatrixXf mask = getCutMask(u, v, target);
for(int y = 0; y < BlockSize; y++)
{
for(int x = 0; x < BlockSize; x++)
{
if(mask(y,x))
{
final = (*src)(p.y + y, p.x + x);
(*target)(y + v, x + u) = final;
(*targetAsPos)[y + v][x + u] = Point(p.x + x, p.y + y);
}
}
}
void VertexBuffer::setUVBulk( Vec2 *uv, int num ) {
for(int i=0;i<num;i++) {
setUV( i, uv[i] );
}
}
Sprite::Sprite(GLuint glId, int w, int h, bool hasAlpha, bool &ok)
:_pTextureRes(NULL), _texW(w), _texH(h), _glId(glId), _hasAlpha(hasAlpha),_ancX(0.f), _ancY(0.f){
setUV(0, 0, -1, -1);
ok = true;
}
TextureUVCoordinateSet::TextureUVCoordinateSet(float minU, float minV, float maxU, float maxV, int width, int height) {
setUV(minU, minV, maxU, maxV);
this->width = width;
this->height = height;
}
