MrMonopoly/raylib
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removed heap allocations\

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This commit is contained in:
nobytesgiven 2022-10-24 16:39:54 +03:00
parent d5676a9c94
commit 69acf6d7ab
1 changed files with 30 additions and 33 deletions
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63
src/rshapes.c
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@ -198,7 +198,7 @@ void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color)
Vector2 previous = startPos;
Vector2 current = { 0 };
Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2));
Vector2 points[2*BEZIER_LINE_DIVISIONS + 2] = { 0 };
for (int i = 1; i <= BEZIER_LINE_DIVISIONS; i++)
{
@ -213,22 +213,21 @@ void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color)
if (i==1)
{
pts[0].x = previous.x+dy*size;
pts[0].y = previous.y-dx*size;
pts[1].x = previous.x-dy*size;
pts[1].y = previous.y+dx*size;
points[0].x = previous.x+dy*size;
points[0].y = previous.y-dx*size;
points[1].x = previous.x-dy*size;
points[1].y = previous.y+dx*size;
}
pts[2*i+1].x = current.x-dy*size;
pts[2*i+1].y = current.y+dx*size;
pts[2*i].x = current.x+dy*size;
pts[2*i].y = current.y-dx*size;
points[2*i+1].x = current.x-dy*size;
points[2*i+1].y = current.y+dx*size;
points[2*i].x = current.x+dy*size;
points[2*i].y = current.y-dx*size;
previous = current;
}
DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color);
RL_FREE(pts);
DrawTriangleStrip(points, 2*BEZIER_LINE_DIVISIONS+2, color);
}
// Draw line using quadratic bezier curves with a control point
@ -240,7 +239,7 @@ void DrawLineBezierQuad(Vector2 startPos, Vector2 endPos, Vector2 controlPos, fl
Vector2 current = { 0 };
float t = 0.0f;
Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2));
Vector2 points[2*BEZIER_LINE_DIVISIONS + 2] = { 0 };
for (int i = 0; i <= BEZIER_LINE_DIVISIONS; i++)
{
@ -259,22 +258,21 @@ void DrawLineBezierQuad(Vector2 startPos, Vector2 endPos, Vector2 controlPos, fl
if (i==1)
{
pts[0].x = previous.x+dy*size;
pts[0].y = previous.y-dx*size;
pts[1].x = previous.x-dy*size;
pts[1].y = previous.y+dx*size;
points[0].x = previous.x+dy*size;
points[0].y = previous.y-dx*size;
points[1].x = previous.x-dy*size;
points[1].y = previous.y+dx*size;
}
pts[2*i+1].x = current.x-dy*size;
pts[2*i+1].y = current.y+dx*size;
pts[2*i].x = current.x+dy*size;
pts[2*i].y = current.y-dx*size;
points[2*i+1].x = current.x-dy*size;
points[2*i+1].y = current.y+dx*size;
points[2*i].x = current.x+dy*size;
points[2*i].y = current.y-dx*size;
previous = current;
}
DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color);
RL_FREE(pts);
DrawTriangleStrip(points, 2*BEZIER_LINE_DIVISIONS+2, color);
}
// Draw line using cubic bezier curves with 2 control points
@ -286,7 +284,7 @@ void DrawLineBezierCubic(Vector2 startPos, Vector2 endPos, Vector2 startControlP
Vector2 current = { 0 };
float t = 0.0f;
Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2));
Vector2 points[2*BEZIER_LINE_DIVISIONS + 2] = { 0 };
for (int i = 0; i <= BEZIER_LINE_DIVISIONS; i++)
{
@ -305,22 +303,21 @@ void DrawLineBezierCubic(Vector2 startPos, Vector2 endPos, Vector2 startControlP
if (i==1)
{
pts[0].x = previous.x+dy*size;
pts[0].y = previous.y-dx*size;
pts[1].x = previous.x-dy*size;
pts[1].y = previous.y+dx*size;
points[0].x = previous.x+dy*size;
points[0].y = previous.y-dx*size;
points[1].x = previous.x-dy*size;
points[1].y = previous.y+dx*size;
}
pts[2*i+1].x = current.x-dy*size;
pts[2*i+1].y = current.y+dx*size;
pts[2*i].x = current.x+dy*size;
pts[2*i].y = current.y-dx*size;
points[2*i+1].x = current.x-dy*size;
points[2*i+1].y = current.y+dx*size;
points[2*i].x = current.x+dy*size;
points[2*i].y = current.y-dx*size;
previous = current;
}
DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color);
RL_FREE(pts);
DrawTriangleStrip(points, 2*BEZIER_LINE_DIVISIONS+2, color);
}
// Draw lines sequence