Files
treender/random/slike.cpp
2026-02-04 12:38:14 +01:00

147 lines
3.5 KiB
C++

#include <raylib.h>
#include <raymath.h>
#include <cmath>
#include <vector>
Vector2 newPoint(Vector2 start, float len, float angleD){
float angleR = (angleD * PI) / 180; // radian
return {start.x + len * cos(angleR), start.y - len * sin(angleR)};
}
void drawBranch(Vector2 startV, Vector2 endV, Color startC, Color endC, int startR, int endR){
float fstep = 0.05;
for (float i = 0; i < 1.05; i += fstep)
{
Vector2 point = Vector2Lerp(startV, endV, i);
Color color = ColorLerp(startC, endC, i);
int size = Lerp(startR, endR, i);
DrawCircleV(point, size, color);
}
}
constexpr float screenWidth = 800;
constexpr float screenHeight = 800;
constexpr float len = 300;
constexpr float angleD = 100;
constexpr Vector2 start = {screenWidth / 2, screenHeight - 100};
constexpr float radius = 20;
constexpr float radiusS = 80;
constexpr float radiusE = 60;
constexpr Color colorS = RED;
constexpr Color colorE = GREEN;
typedef void (*slika)();
int idx = 0;
std::vector<slika> v_slik = {
[]()
{
DrawCircleV(start, radius, BLACK);
},
[]()
{
Vector2 end = {start.x, start.y - len};
DrawCircleV(start, radius, BLACK);
DrawLineEx(start, end, 10, BLACK);
},
[]()
{
Vector2 end = newPoint(start, len, angleD);
DrawCircleV(start, radius, BLACK);
DrawLineEx(start, end, 10, BLACK);
DrawCircleV(end, radius, BLACK);
DrawCircleSectorLines(start, len / 3, 360 - angleD, 360, 30, BLACK);
},
[]()
{
Vector2 end = newPoint(start, len, angleD);
DrawCircleV(start, radius, BLACK);
DrawLineEx(start, end, 10, BLACK);
DrawCircleV(end, radius, BLACK);
DrawCircleLinesV(start, radiusS, BLACK);
DrawCircleLinesV(end, radiusE, BLACK);
},
[]()
{
Vector2 end = newPoint(start, len, angleD);
DrawLineEx(start, end, 10, BLACK);
DrawCircleV(start, radiusS, colorS);
DrawCircleV(end, radiusE, colorE);
},
[]()
{
Vector2 end = newPoint(start, len, angleD);
drawBranch(start, end, colorS, colorE, radiusS, radiusE);
},
[]()
{
Vector2 p = newPoint(start, len, angleD);
drawBranch(start, p, colorS, colorE, radiusS, radiusE);
Vector2 p1 = newPoint(p, len, 135);
Vector2 p2 = newPoint(p, len, 90);
Vector2 p3 = newPoint(p, len, 45);
DrawLineEx(p, p1, 10, BLACK);
DrawLineEx(p, p2, 10, BLACK);
DrawLineEx(p, p3, 10, BLACK);
DrawCircleV(p, radius, BLACK);
DrawCircleV(p1, radius, BLACK);
DrawCircleV(p2, radius, BLACK);
DrawCircleV(p3, radius, BLACK);
},
[]()
{
Vector2 p = newPoint(start, len, angleD);
drawBranch(start, p, colorS, colorE, radiusS, radiusE);
Vector2 p1 = newPoint(p, len, 135);
Vector2 p2 = newPoint(p, len, 90);
Vector2 p3 = newPoint(p, len, 45);
drawBranch(p, p1, colorE, BLUE, radiusE, 50);
drawBranch(p, p2, colorE, ORANGE, radiusE, 50);
drawBranch(p, p3, colorE, PURPLE, radiusE, 50);
},
};
int main(int argc, char *argv[])
{
InitWindow(screenWidth, screenHeight, "Slike");
SetTargetFPS(60);
while (!WindowShouldClose())
{
BeginDrawing();
if (IsKeyPressed(KEY_S))
{
TakeScreenshot(TextFormat("slika%.2d.png", idx));
}
if (IsKeyPressed(KEY_N))
{
idx++;
if (idx >= v_slik.size())
idx = v_slik.size() - 1;
}
if (IsKeyPressed(KEY_P))
{
idx--;
if (idx < 0)
idx = 0;
}
ClearBackground(WHITE);
v_slik[idx]();
EndDrawing();
}
CloseWindow();
return 0;
}