36 lines
776 B
C++
36 lines
776 B
C++
#include "model.h"
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#include "mesh.h"
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#include "state.h"
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#include "../lib/glm/gtc/matrix_transform.hpp"
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Model::Model(const std::shared_ptr<Mesh>& mesh)
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: mesh_(mesh)
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{
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}
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void Model::draw()
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{
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if (!mesh_)
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return;
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// Build model matrix: Translation * Rotation * Scale
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glm::mat4 model = glm::mat4(1.0f);
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// Translation
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model = glm::translate(model, position_);
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// Rotation (applying X, Y, Z rotations)
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model = glm::rotate(model, rotation_.x, glm::vec3(1.0f, 0.0f, 0.0f));
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model = glm::rotate(model, rotation_.y, glm::vec3(0.0f, 1.0f, 0.0f));
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model = glm::rotate(model, rotation_.z, glm::vec3(0.0f, 0.0f, 1.0f));
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// Scale
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model = glm::scale(model, scale_);
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// Set the model matrix in state
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state::model_matrix = model;
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// Draw the mesh
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mesh_->draw();
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}
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