[examples] Added donut pie charts to shapes_pie_chart (#5277)

* Added donut chart option to pie chart example

* Increased example description buffer size

* Testing mouse trail building

* Removed unused variable

---------

Co-authored-by: Gideon Serfontein <gse@newspacesystems.com>
This commit is contained in:
GideonSerf
2025-10-16 09:53:55 +02:00
committed by GitHub
parent af068ec020
commit c6f9f76afb
3 changed files with 26 additions and 6 deletions

View File

@@ -1,6 +1,3 @@
#include "raylib.h"
#include "raymath.h"
/*******************************************************************************************
*
* raylib [shapes] example - Draw a mouse trail (position history)
@@ -18,6 +15,9 @@
*
********************************************************************************************/
#include "raylib.h"
#include "raymath.h"
// Define the maximum number of positions to store in the trail
#define MAX_TRAIL_LENGTH 30

View File

@@ -36,6 +36,7 @@ int main(void)
#define MAX_SLICES 10
int sliceCount = 7;
float donutInnerRadius = 25.0f;
float values[MAX_SLICES] = {300.0f, 100.0f, 450.0f, 350.0f, 600.0f, 380.0f, 750.0f}; //initial slice values
char labels[MAX_SLICES][32];
bool editingLabel[MAX_SLICES] = {false};
@@ -45,6 +46,7 @@ int main(void)
bool showValues = true;
bool showPercentages = false;
bool showDonut = false;
int hoveredSlice = -1;
Rectangle scrollPanelBounds = {0};
Vector2 scrollContentOffset = {0};
@@ -159,6 +161,12 @@ int main(void)
DrawText(labelText, (int)labelPos.x, (int)labelPos.y, 18, WHITE);
}
if(showDonut)
{
// Draw inner circle to create donut effect
DrawCircle(center.x, center.y, donutInnerRadius, RAYWHITE);
}
startAngle += sweepAngle;
}
//------------------------------------------------------------------------------
@@ -177,17 +185,29 @@ int main(void)
currentY += 30;
GuiCheckBox((Rectangle){ panelPos.x + 20, (float)currentY, 20, 20 }, "Show Percentages", &showPercentages);
currentY += 40;
currentY += 30;
GuiCheckBox((Rectangle){ panelPos.x + 20, (float)currentY, 20, 20 }, "Make Donut", &showDonut);
currentY += 30;
if(showDonut)
{
GuiSliderBar((Rectangle){ panelPos.x + 80, (float)currentY, panelRect.width - 100, 30 },
"Inner Radius", NULL, &donutInnerRadius, 5.0f, radius - 10.0f);
currentY += 40;
}
GuiLine((Rectangle){ panelPos.x + 10, (float)currentY, panelRect.width - 20, 1 }, NULL);
currentY += 20;
// Scrollable area for slice editors
scrollPanelBounds = (Rectangle){ panelPos.x+panelMargin, (float)currentY, panelRect.width-panelMargin*2, panelRect.y + panelRect.height - currentY - panelMargin };
int contentHeight = sliceCount * 35;
GuiScrollPanel(scrollPanelBounds, NULL,
(Rectangle){ 0, 0, panelRect.width - 20, (float)contentHeight },
(Rectangle){ 0, 0, panelRect.width - 25, (float)contentHeight },
&scrollContentOffset, &view);
const float contentX = view.x + scrollContentOffset.x; // left of content

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