ParkerBritt/Enzo
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store and pass normal values to viewport

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parker
2025-07-30 23:34:07 +01:00
parent e72e6bce96
commit afd3559a4d
3 changed files with 59 additions and 40 deletions
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30
src/Gui/Viewport/GLMesh.cpp
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@@ -1,6 +1,9 @@
#include "Gui/Viewport/GLMesh.h"
#include <GL/gl.h>
#include <iostream>
#include "Engine/Operator/AttributeHandle.h"
GLMesh::GLMesh()
{
@@ -34,30 +37,35 @@ void GLMesh::initBuffers()
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
// gives the shader a way to read buffer data
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3*sizeof(GLfloat), (void*)0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)0);
// read normal
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, normal));
// disable vertex attrib array
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glGenBuffers(1, &indexBuffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
}
void GLMesh::setPosBuffer(std::vector<enzo::bt::Vector3> data)
void GLMesh::setPosBuffer(enzo::geo::Geometry& geometry)
{
bind();
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
vertexPosData.clear();
std::cout << "pos data\n-------\n";
for(auto vector : data)
vertices.clear();
std::shared_ptr<enzo::ga::Attribute> PAttr = geometry.getAttribByName(enzo::ga::AttrOwner::POINT, "P");
enzo::ga::AttributeHandleVector3 PAttrHandle = enzo::ga::AttributeHandleVector3(PAttr);
auto pointPositions = PAttrHandle.getAllValues();
for(auto position : pointPositions)
{
vertexPosData.push_back(vector.x());
vertexPosData.push_back(vector.y());
vertexPosData.push_back(vector.z());
std::cout << vector.x() << " " << vector.y() << " " << vector.z() << "\n";
vertices.push_back({{position.x(), position.y(), position.z()}, {position.x(), position.y(), position.z()}});
std::cout << position.x() << " " << position.y() << " " << position.z() << "\n";
}
glBufferData(GL_ARRAY_BUFFER, vertexPosData.size()*sizeof(GLfloat), vertexPosData.data(), GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, vertices.size()*sizeof(Vertex), vertices.data(), GL_STATIC_DRAW);
unbind();
}
@@ -110,7 +118,7 @@ void GLMesh::draw()
bind();
// wireframe
glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
// glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
glDrawElements(GL_TRIANGLES, indexData.size(), GL_UNSIGNED_INT, 0);
}