void Renderer::update(const float deltaTime){
shader->bind();
shader->enableVertexAttribArrays();
shader->sendUniform("texture0", 0);
spriteMesh->indexBuffer->bind();
spriteMesh->vertex2Buffer->bind();
spriteMesh->vertex2Buffer->vertexAttribPointer(shader->getAttribLocation("vertex0"), 2, GL_FLOAT, false, 0, 0);
spriteMesh->texCoordBuffer->bind();
spriteMesh->texCoordBuffer->vertexAttribPointer(shader->getAttribLocation("texCoord0"), 2, GL_FLOAT, false, 0, 0);
camera->calculateOrthoMatrix3x3();
for(auto entity : entities){
auto texture = std::static_pointer_cast<bb::Texture>(entity->getComponent("Texture"));
auto position = std::static_pointer_cast<bb::Position2D>(entity->getComponent("Position"));
auto object = std::static_pointer_cast<bb::Object2D>(entity->getComponent("Object2D"));
auto duration = std::static_pointer_cast<Duration>(entity->getComponent("Duration"));
auto animation = std::static_pointer_cast<Animation>(entity->getComponent("Animation"));
auto color = std::static_pointer_cast<Color>(entity->getComponent("Color"));
if(position && object && object->visible){
object->calculateModelMatrix(position);
if(texture){
texture->bind();
}
shader->sendUniform3x3("pm", (camera->orthoMatrix3*object->modelMatrix).getArray());
shader->sendUniform("alpha", 1.0f);
shader->sendUniform("texScale", 1.0f, 1.0f);
shader->sendUniform("texOffset", 0.0f, 0.0f);
shader->sendUniform("color", 0.0f, 0.0f, 0.0f);
if(duration){
shader->sendUniform("alpha", duration->alpha);
}
if(animation && animation->current()){
shader->sendUniform("texScale", animation->current()->current()->scale.x, animation->current()->current()->scale.y);
shader->sendUniform("texOffset", animation->current()->current()->offset.x, animation->current()->current()->offset.y);
}
if(color){
shader->sendUniform("color", color->color.x, color->color.y, color->color.z);
}
glDrawElements(GL_TRIANGLES, spriteMesh->indexBuffer->size(), GL_UNSIGNED_INT, 0);
if(texture){
texture->unbind();
}
}
}
shader->disableVertexAttribArrays();
shader->unbind();
}
StaticObject::StaticObject(char* url,vec3 position,vec3 rotation,vec3 scale){
mat4 t_normalizeMatrix = loadObj(url);
this->speed = vec3(0);
this->position = position;
this->rotation = rotation;
this->scale = scale;
calculateModelMatrix();
}
void Entity::update(unsigned millisElapsed) {
// Apply all logic necessary
/*
* Then we update the model matrix, only if this entity is not a child.
* This is because this function also update all children's matrices.
*/
if (parent == nullptr) {
calculateModelMatrix();
}
for (std::vector<Entity*>::iterator it = childEntities->begin(); it != childEntities->end(); ++it) {
(*it)->update(millisElapsed);
}
}
void TextRenderer::update(const float deltaTime){
shader->bind();
shader->enableVertexAttribArrays();
shader->sendUniform("texture0", 0);
camera->calculateOrthoMatrix3x3();
font->bind();
for(auto entity : entities){
auto mesh = std::static_pointer_cast<bb::Mesh>(entity->getComponent("Mesh"));
auto position = std::static_pointer_cast<bb::Position2D>(entity->getComponent("Position"));
auto object = std::static_pointer_cast<bb::Object2D>(entity->getComponent("Object2D"));
if(position && object && mesh && object->visible){
object->calculateModelMatrix(position);
shader->sendUniform3x3("pm", (camera->orthoMatrix3*object->modelMatrix).getArray());
shader->sendUniform("alpha", 1.0f);
shader->sendUniform("texScale", 1.0f, 1.0f);
shader->sendUniform("texOffset", 0.0f, 0.0f);
shader->sendUniform("color", 0.0f, 0.0f, 0.0f);
mesh->indexBuffer->bind();
mesh->vertex2Buffer->bind();
mesh->vertex2Buffer->vertexAttribPointer(shader->getAttribLocation("vertex0"), 2, GL_FLOAT, false, 0, 0);
mesh->texCoordBuffer->bind();
mesh->texCoordBuffer->vertexAttribPointer(shader->getAttribLocation("texCoord0"), 2, GL_FLOAT, false, 0, 0);
glDrawElements(GL_TRIANGLES, mesh->indexBuffer->size(), GL_UNSIGNED_INT, 0);
}
}
font->unbind();
shader->disableVertexAttribArrays();
shader->unbind();
}
void Scene::beforeRender(){
// 先对 children 排序
calculateModelMatrix(Mat4::IDENTITY);
}
