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vao

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milek7
2018-06-25 01:15:37 +02:00
parent 0c5f990528
commit 694aac6065
13 changed files with 131 additions and 114 deletions
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18
skydome.cpp
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@@ -126,14 +126,18 @@ void CSkyDome::Render() {
}
if( m_vertexbuffer == -1 ) {
m_vao = std::make_unique<gl::vao>();
// build the buffers
::glGenBuffers( 1, &m_vertexbuffer );
::glBindBuffer( GL_ARRAY_BUFFER, m_vertexbuffer );
::glBufferData( GL_ARRAY_BUFFER, m_vertices.size() * sizeof( glm::vec3 ), m_vertices.data(), GL_STATIC_DRAW );
m_vao->setup_attrib(0, 3, GL_FLOAT, sizeof(glm::vec3), 0);
::glGenBuffers( 1, &m_coloursbuffer );
::glBindBuffer( GL_ARRAY_BUFFER, m_coloursbuffer );
::glBufferData( GL_ARRAY_BUFFER, m_colours.size() * sizeof( glm::vec3 ), m_colours.data(), GL_DYNAMIC_DRAW );
m_vao->setup_attrib(1, 3, GL_FLOAT, sizeof(glm::vec3), 0);
::glGenBuffers( 1, &m_indexbuffer );
::glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, m_indexbuffer );
@@ -143,20 +147,10 @@ void CSkyDome::Render() {
m_shader->bind();
m_shader->copy_gl_mvp();
glBindBuffer(GL_ARRAY_BUFFER, m_vertexbuffer);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(glm::vec3), 0);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, m_coloursbuffer);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(glm::vec3), 0);
glEnableVertexAttribArray(1);
glDisableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, 0);
m_vao->bind();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexbuffer);
::glDrawElements( GL_TRIANGLES, static_cast<GLsizei>( m_indices.size() ), GL_UNSIGNED_SHORT, reinterpret_cast<void const*>( 0 ) );
glUseProgram(0);
glDrawElements( GL_TRIANGLES, static_cast<GLsizei>( m_indices.size() ), GL_UNSIGNED_SHORT, reinterpret_cast<void const*>( 0 ) );
}
bool CSkyDome::SetSunPosition( glm::vec3 const &Direction ) {