VoxelEngine/src/graphics/core/LineBatch.hpp

48 lines
1.3 KiB
C++

#pragma once
#include <memory>
#include <stdlib.h>
#include <glm/glm.hpp>
#include "commons.hpp"
#include "MeshData.hpp"
template<typename VertexStructure>
class Mesh;
struct LineVertex {
glm::vec3 position;
glm::vec4 color;
static constexpr VertexAttribute ATTRIBUTES[] {
{VertexAttribute::Type::FLOAT, false, 3},
{VertexAttribute::Type::FLOAT, false, 4},
{{}, 0}};
};
class LineBatch : public Flushable {
std::unique_ptr<Mesh<LineVertex>> mesh;
std::unique_ptr<LineVertex[]> buffer;
size_t index;
size_t capacity;
public:
LineBatch(size_t capacity=4096);
~LineBatch();
inline void line(const glm::vec3 a, const glm::vec3 b, const glm::vec4 color) {
line(a.x, a.y, a.z, b.x, b.y, b.z, color.r, color.g, color.b, color.a);
}
void line(float x1, float y1, float z1, float x2, float y2, float z2,
float r, float g, float b, float a);
void box(float x, float y, float z, float w, float h, float d,
float r, float g, float b, float a);
inline void box(glm::vec3 xyz, glm::vec3 whd, glm::vec4 rgba) {
box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
rgba.r, rgba.g, rgba.b, rgba.a);
}
void flush() override;
void lineWidth(float width);
};