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Diffstat (limited to 'raylib/examples/shapes/shapes_lines_splines.c')
| -rw-r--r-- | raylib/examples/shapes/shapes_lines_splines.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/raylib/examples/shapes/shapes_lines_splines.c b/raylib/examples/shapes/shapes_lines_splines.c deleted file mode 100644 index c020c60..0000000 --- a/raylib/examples/shapes/shapes_lines_splines.c +++ /dev/null @@ -1,155 +0,0 @@ -/******************************************************************************************* -* -* raylib [shapes] example - splines drawing -* -* Example originally created with raylib 4.6-dev, last time updated with raylib 4.6-dev -* -* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, -* BSD-like license that allows static linking with closed source software -* -* Copyright (c) 2023 Ramon Santamaria (@raysan5) -* -********************************************************************************************/ - -#include "raylib.h" - -#define MAX_CONTROL_POINTS 32 - -typedef struct { - Vector2 start; - Vector2 end; -} ControlPoint; - -//------------------------------------------------------------------------------------ -// Program main entry point -//------------------------------------------------------------------------------------ -int main(void) -{ - // Initialization - //-------------------------------------------------------------------------------------- - const int screenWidth = 800; - const int screenHeight = 450; - - SetConfigFlags(FLAG_MSAA_4X_HINT); - InitWindow(screenWidth, screenHeight, "raylib [shapes] example - splines drawing"); - - Vector2 points[MAX_CONTROL_POINTS] = { - { 100.0f, 200.0f }, - { 300.0f, 400.0f }, - { 500.0f, 300.0f }, - { 700.0f, 100.0f }, - { 200.0f, 100.0f }, - }; - - int pointCount = 5; - int selectedPoint = -1; - - int splineType = 0; // 0-Linear, 1-BSpline, 2-CatmullRom, 3-Bezier - - // Cubic Bezier control points - ControlPoint control[MAX_CONTROL_POINTS] = { 0 }; - for (int i = 0; i < pointCount - 1; i++) - { - control[i].start = points[i]; - control[i].end = points[i + 1]; - } - - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - // Update - //---------------------------------------------------------------------------------- - // Points movement logic - if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON) && (pointCount < MAX_CONTROL_POINTS)) - { - points[pointCount] = GetMousePosition(); - pointCount++; - } - - for (int i = 0; i < pointCount; i++) - { - if (IsMouseButtonDown(MOUSE_LEFT_BUTTON) && CheckCollisionPointCircle(GetMousePosition(), points[i], 6.0f)) - { - selectedPoint = i; - break; - } - } - - if (selectedPoint >= 0) - { - points[selectedPoint] = GetMousePosition(); - if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) selectedPoint = -1; - } - - // TODO: Cubic Bezier spline control points logic - - - // Spline selection logic - if (IsKeyPressed(KEY_ONE)) splineType = 0; - else if (IsKeyPressed(KEY_TWO)) splineType = 1; - else if (IsKeyPressed(KEY_THREE)) splineType = 2; - else if (IsKeyPressed(KEY_FOUR)) splineType = 3; - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(RAYWHITE); - - if (splineType == 0) // Linear - { - // Draw linear spline - for (int i = 0; i < pointCount - 1; i++) - { - DrawLineEx(points[i], points[i + 1], 2.0f, RED); - } - } - else if (splineType == 1) // B-Spline - { - // Draw b-spline - DrawLineBSpline(points, pointCount, 2.0f, RED); - //for (int i = 0; i < (pointCount - 3); i++) DrawLineBSplineSegment(points[i], points[i + 1], points[i + 2], points[i + 3], 24.0f, BLUE); - } - else if (splineType == 2) // CatmullRom Spline - { - // Draw spline: catmull-rom - DrawLineCatmullRom(points, pointCount, 2.0f, RED); - //for (int i = 0; i < (pointCount - 3); i++) DrawLineCatmullRomSegment(points[i], points[i + 1], points[i + 2], points[i + 3], 24.0f, Fade(BLUE, 0.4f)); - } - else if (splineType == 3) // Cubic Bezier - { - // Draw line bezier cubic (with control points) - for (int i = 0; i < pointCount - 1; i++) - { - DrawLineBezierCubic(points[i], points[i + 1], control[i].start, control[i + 1].end, 2.0f, RED); - - // TODO: Every cubic bezier point should have two control points - DrawCircleV(control[i].start, 4, GOLD); - DrawCircleV(control[i].end, 4, GOLD); - DrawLineEx(points[i], control[i].start, 1.0, LIGHTGRAY); - DrawLineEx(points[i + 1], control[i].end, 1.0, LIGHTGRAY); - } - } - - // Draw control points - for (int i = 0; i < pointCount; i++) - { - DrawCircleV(points[i], 6.0f, RED); - if ((splineType != 0) && (i < pointCount - 1)) DrawLineV(points[i], points[i + 1], GRAY); - } - - EndDrawing(); - //---------------------------------------------------------------------------------- - } - - // De-Initialization - //-------------------------------------------------------------------------------------- - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -}
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