73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/*
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* =====================================================================================
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*
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* Filename: RectangleShape.cpp
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*
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* Description:
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*
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* Created: 27/09/2014 17:06:57
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*
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* Author: Quentin Bazin, <gnidmoo@gmail.com>
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*
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* =====================================================================================
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*/
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#define GLM_FORCE_RADIANS
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#include <glm/gtc/matrix_transform.hpp>
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#include "Config.hpp"
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#include "RectangleShape.hpp"
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#include "Shader.hpp"
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#include "Vertex.hpp"
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RectangleShape::RectangleShape(float width, float height, const Color &color) {
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m_color = color;
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setSize(width, height);
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}
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void RectangleShape::updateVertexBuffer() const {
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Vertex vertices[4] = {
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{{m_width, 0, 0, -1}},
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{{0, 0, 0, -1}},
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{{0, m_height, 0, -1}},
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{{m_width, m_height, 0, -1}},
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};
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for (u8 i = 0 ; i < 4 ; ++i) {
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vertices[i].color[0] = m_color.r;
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vertices[i].color[1] = m_color.g;
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vertices[i].color[2] = m_color.b;
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vertices[i].color[3] = m_color.a;
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}
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// GLubyte indices[] = {
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// 0, 1, 3,
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// 3, 1, 2
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// };
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VertexBuffer::bind(&m_vbo);
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m_vbo.setData(sizeof(vertices), vertices, GL_DYNAMIC_DRAW);
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VertexBuffer::bind(nullptr);
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}
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void RectangleShape::draw(RenderTarget &target, RenderStates states) const {
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states.transform *= getTransform();
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states.viewMatrix = Transform::Identity;
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states.projectionMatrix = glm::ortho(0.0f, (float)SCREEN_WIDTH, (float)SCREEN_HEIGHT, 0.0f);
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states.vertexAttributes = VertexAttribute::Only2d;
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glDisable(GL_CULL_FACE);
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glDisable(GL_DEPTH_TEST);
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if(m_wireframeMode) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
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target.draw(m_vbo, GL_QUADS, 0, 4, states);
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if(m_wireframeMode) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_CULL_FACE);
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}
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