add redraw the tree with KEY_R
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3d9e6c9f7d
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39
main.cpp
39
main.cpp
@ -6,6 +6,12 @@
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#include "raymath.h"
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#define MAX_DEPTH 11
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const int screenWidth = 800;
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const int screenHeight = 800;
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#define textureWidth screenWidth
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#define textureHeight screenHeight
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const Vector2 start = {textureWidth / 2, textureHeight};
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Color ColorLerp(Color c1, Color c2, float amount)
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{
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@ -32,6 +38,7 @@ struct draw_args
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static std::vector<branch> tree(MAX_DEPTH);
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static std::list<draw_args> draw_calls;
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static RenderTexture2D target;
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Vector2 draw_line(Vector2 start, float angleDeg, float lenghth, int dep)
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{
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@ -89,27 +96,25 @@ void generate_tree()
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tree[0].color = tree[1].color;
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}
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int main(void)
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void new_tree()
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{
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const int screenWidth = 800;
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const int screenHeight = 800;
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InitWindow(screenWidth, screenHeight, "raylib");
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SetTargetFPS(60);
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const int textureWidth = screenWidth;
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const int textureHeight = screenHeight;
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RenderTexture2D target = LoadRenderTexture(textureWidth, textureHeight);
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Vector2 start = {textureWidth / 2, textureHeight};
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generate_tree();
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BeginTextureMode(target);
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ClearBackground(WHITE);
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draw_tree((draw_args){start, 0, textureHeight / 4, 1});
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EndTextureMode();
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}
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int main(void)
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{
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InitWindow(screenWidth, screenHeight, "raylib");
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SetTargetFPS(60);
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target = LoadRenderTexture(textureWidth, textureHeight);
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new_tree();
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Rectangle source = {0, 0, (float)target.texture.width, (float)-target.texture.height};
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Rectangle dest = {0, 0, screenWidth, screenHeight};
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@ -118,6 +123,12 @@ int main(void)
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while (!WindowShouldClose())
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{
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if (IsKeyPressed(KEY_R))
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{
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new_tree();
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}
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BeginDrawing();
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DrawTexturePro(target.texture, source, dest, origin, 0.0f, WHITE);
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