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#include "View.h"
#include <algorithm>
#include <cmath>
#include <raylib.h>
#include "Grid.h"
#include "Label.h"
View::View(std::vector<Grid> grids) :
m_camera {},
m_grids {grids},
m_labels {},
m_grid {0}
{
m_camera.position = Vector3{10.0f, 10.0f, 10.0f};
m_camera.target = Vector3{0.0f, 0.0f, 0.0f};
m_camera.up = Vector3{0.0f, 1.0f, 0.0f};
m_camera.fovy = 45;
m_camera.projection = CAMERA_PERSPECTIVE;
SetCameraMode(m_camera, CAMERA_ORBITAL);
}
void
View::update(const float dt)
{
if (IsKeyPressed(KEY_SPACE)) {
m_grid++;
if (m_grid >= m_grids.size())
m_grid = 0;
}
UpdateCamera(&m_camera);
const int height = GetScreenHeight();
const int width = GetScreenWidth();
const auto wrecks = m_grids.at(m_grid).wrecks;
m_labels.clear();
m_labels.reserve(wrecks.size());
for (const auto& wreck : wrecks) {
const auto pos = GetWorldToScreen(wreck.position, m_camera);
const float depth =
std::sqrt(
std::pow(m_camera.position.x - wreck.position.x, 2) +
std::pow(m_camera.position.y - wreck.position.y, 2) +
std::pow(m_camera.position.z - wreck.position.z, 2));
if (0 > pos.x || width < pos.x || 0 > pos.y || height < pos.y)
continue;
const auto base = GetWorldToScreen({wreck.position.x, 0.0f, wreck.position.z}, m_camera);
m_labels.push_back(Label{pos, base, depth});
}
std::sort(m_labels.begin(), m_labels.end(), [](auto& a, auto& b){ return a.depth > b.depth; });
}
void
View::draw() const
{
BeginDrawing();
ClearBackground(RAYWHITE);
BeginMode3D(m_camera);
DrawGrid(12, 1.0f);
EndMode3D();
for (const auto& point : m_labels) {
DrawLine(point.base.x, point.base.y, point.pos.x, point.pos.y, LIGHTGRAY);
DrawCircle(point.pos.x, point.pos.y, 3, RED);
}
DrawFPS(5, 5);
int y = 25;
const int height = GetScreenHeight();
for (const auto& point : m_labels) {
DrawText(TextFormat("%5.1f x %5.1f x %5.1f", point.pos.x, point.pos.y, point.depth), 5, y, 10, DARKGRAY);
y += 10;
if (y > height)
break;
}
EndDrawing();
}
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