From fb4cf5bd80ad413868b0655bcd9b0b6d273e9102 Mon Sep 17 00:00:00 2001
From: Andrew Golovashevich <landgrafhomyak@gmail.com>
Date: Mon, 11 Nov 2024 18:55:00 +0300
Subject: [PATCH] Removing functionality from future labs

---
 CMakeLists.txt  |   1 -
 src/shaders.cpp | 127 ------------------------------------------------
 2 files changed, 128 deletions(-)
 delete mode 100644 src/shaders.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55e2e15..05a84b6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,5 +16,4 @@ add_executable(
         src/painter.hpp
         src/main.cpp
 
-        src/shaders.cpp
 )
\ No newline at end of file
diff --git a/src/shaders.cpp b/src/shaders.cpp
deleted file mode 100644
index 3ce86ae..0000000
--- a/src/shaders.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <utility>
-#include "frame.hpp"
-#include "painter.hpp"
-
-template<class ShaderClass>
-void Triangle(Frame *f, float x0, float y0, float x1, float y1, float x2, float y2, COLOR color, ShaderClass *shader) {
-// Отсортируем точки таким образом, чтобы выполнилось условие: y0 < y1 < y2
-    if (y1 < y0) {
-        std::swap(y1, y0);
-        std::swap(x1, x0);
-    }
-    if (y2 < y1) {
-        std::swap(y2, y1);
-        std::swap(x2, x1);
-    }
-    if (y1 < y0) {
-        std::swap(y1, y0);
-        std::swap(x1, x0);
-    }
-// Определяем номера строк пикселей, в которых располагаются точки треугольника
-    int Y0 = (int) (y0 + 0.5f);
-    int Y1 = (int) (y1 + 0.5f);
-    int Y2 = (int) (y2 + 0.5f);
-// Отсечение невидимой части треугольника
-    if (Y0 < 0) Y0 = 0;
-    else if (Y0 >= f->height) Y0 = f->height;
-    if (Y1 < 0) Y1 = 0;
-    else if (Y1 >= f->height) Y1 = f->height;
-    if (Y2 < 0) Y2 = 0;
-    else if (Y2 >= f->height) Y2 = f->height;
-// Рисование верхней части треугольника
-    for (float y = Y0 + 0.5f; y < Y1; y++) {
-        int X0 = (int) ((y - y0) / (y1 - y0) * (x1 - x0) + x0 + 0.5f);
-        int X1 = (int) ((y - y0) / (y2 - y0) * (x2 - x0) + x0 + 0.5f);
-        if (X0 > X1) std::swap(X0, X1);
-        if (X0 < 0) X0 = 0;
-        if (X1 > f->width) X1 = f->width;
-        for (int x = X0; x < X1; x++) {
-// f(x + 0.5, y)
-            SetPixel(x, y, shader->getColor(x + 0.5f, y));
-        }
-    }
-// Рисование нижней части треугольника
-    for (float y = Y1 + 0.5f; y < Y2; y++) {
-        int X0 = (int) ((y - y1) / (y2 - y1) * (x2 - x1) + x1 + 0.5f);
-        int X1 = (int) ((y - y0) / (y2 - y0) * (x2 - x0) + x0 + 0.5f);
-        if (X0 > X1) std::swap(X0, X1);
-        if (X0 < 0) X0 = 0;
-        if (X1 > f->width) X1 = f->width;
-        for (int x = X0; x < X1; x++) {
-// f(x + 0.5, y)
-            SetPixel(x, y, shader->getColor(x + 0.5f, y));
-        }
-    }
-}
-
-class BarycentricInterpolator {
-    float x0, y0, x1, y1, x2, y2, S;
-    COLOR C0, C1, C2;
-public:
-    BarycentricInterpolator(float _x0, float _y0, float _x1, float _y1, float
-    _x2, float _y2, COLOR A0, COLOR A1, COLOR A2) :
-            x0(_x0), y0(_y0), x1(_x1), y1(_y1), x2(_x2), y2(_y2),
-            S((_y1 - _y2) * (_x0 - _x2) + (_x2 - _x1) * (_y0 - _y2)), C0(A0), C1(A1),
-            C2(A2) {
-    }
-
-    COLOR getColor(float x, float y) {
-// Барицентрическая интерполяция
-        float h0 = ((y1 - y2) * (x - x2) + (x2 - x1) * (y - y2)) / S;
-        float h1 = ((y2 - y0) * (x - x2) + (x0 - x2) * (y - y2)) / S;
-        float h2 = 1 - h0 - h1;
-        float r = h0 * C0.red + h1 * C1.red + h2 * C2.red;
-        float g = h0 * C0.green + h1 * C1.green + h2 * C2.green;
-        float b = h0 * C0.blue + h1 * C1.blue + h2 * C2.blue;
-        float a = h0 * C0.alpha + h1 * C1.alpha + h2 * C2.alpha;
-        return COLOR(r, g, b, a);
-    }
-};
-
-
-class RadialBrush {
-    float cx, cy; // Центр прямоугольника
-    COLOR C0, C1; // Цвета радиальной заливки
-    float angle; // Начальный угол заливки
-public:
-    RadialBrush(float _x0, float _y0, float _x1, float _y1, COLOR A0, COLOR A1, float
-    _angle) :
-            cx((_x0 + _x1) / 2.0f), cy((_y0 + _y1) / 2.0f),
-            C0(A0), C1(A1), angle(_angle) {
-    }
-
-    COLOR getColor(float x, float y) {
-        double dx = (double) x - cx, dy = (double) y - cy;
-        double radius = sqrt(dx * dx + dy * dy);
-        float h0 = (sin(radius / 10 + angle) + 1.0f) / 2;
-        float h1 = 1 - h0;
-        float r = h0 * C0.red + h1 * C1.red;
-        float g = h0 * C0.green + h1 * C1.green;
-        float b = h0 * C0.blue + h1 * C1.blue;
-        return COLOR(r, g, b);
-    }
-};
-
-COLOR ColorFromHSV(double hue, double saturation, double value) {
-    int hi = int(floor(hue / 60)) % 6;
-    double f = hue / 60 - floor(hue / 60);
-    value = value * 255;
-    const auto v = (unsigned char) (value);
-    const auto p = (unsigned char) (value * (1 - saturation));
-    const auto q = (unsigned char) (value * (1 - f * saturation));
-    const auto t = (unsigned char) (value * (1 - (1 - f) * saturation));
-    switch (hi) {
-        case 0:
-            return COLOR{v, t, p};
-        case 1:
-            return COLOR{q, v, p};
-        case 2:
-            return COLOR{p, v, t};
-        case 3:
-            return COLOR{p, q, v};
-        case 4:
-            return COLOR{t, p, v};
-        default:
-            return COLOR{v, p, q};
-    }
-}