mirror of
https://github.com/brunoherbelin/vimix.git
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138 lines
1.8 KiB
C++
138 lines
1.8 KiB
C++
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#include <glm/gtc/matrix_transform.hpp>
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#include "DrawVisitor.h"
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#include "Scene.h"
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DrawVisitor::DrawVisitor(Node *nodetodraw, glm::mat4 projection)
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{
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target_ = nodetodraw;
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modelview_ = glm::identity<glm::mat4>();
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projection_ = projection;
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done_ = false;
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}
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void DrawVisitor::visit(Node &n)
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{
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// draw the target
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if ( n.id() == target_->id()) {
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n.draw(modelview_, projection_);
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done_ = true;
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}
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if (done_) return;
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// update transform
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modelview_ *= n.transform_;
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}
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void DrawVisitor::visit(Group &n)
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{
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// no need to traverse deeper if this node was drawn already
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if (done_) return;
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// traverse children
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glm::mat4 mv = modelview_;
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for (NodeSet::iterator node = n.begin(); !done_ && node != n.end(); node++) {
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if ( (*node)->visible_ )
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(*node)->accept(*this);
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modelview_ = mv;
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}
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}
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void DrawVisitor::visit(Scene &n)
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{
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n.root()->accept(*this);
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}
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void DrawVisitor::visit(Switch &n)
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{
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glm::mat4 mv = modelview_;
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n.activeChild()->accept(*this);
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modelview_ = mv;
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}
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void DrawVisitor::visit(Primitive &n)
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{
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}
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void DrawVisitor::visit(Surface &n)
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{
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}
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void DrawVisitor::visit(ImageSurface &n)
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{
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}
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void DrawVisitor::visit(FrameBufferSurface &n)
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{
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}
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void DrawVisitor::visit(MediaSurface &n)
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{
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}
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void DrawVisitor::visit(MediaPlayer &n)
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{
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}
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void DrawVisitor::visit(Shader &n)
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{
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}
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void DrawVisitor::visit(ImageShader &n)
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{
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}
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void DrawVisitor::visit(ImageProcessingShader &n)
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{
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}
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void DrawVisitor::visit(LineStrip &n)
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{
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}
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void DrawVisitor::visit(LineSquare &)
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{
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}
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void DrawVisitor::visit(LineCircle &n)
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{
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}
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void DrawVisitor::visit(Mesh &n)
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{
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}
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void DrawVisitor::visit(Frame &n)
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{
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}
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void DrawVisitor::visit (Source& s)
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{
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}
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void DrawVisitor::visit (MediaSource& s)
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{
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}
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