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nobytesgiven 2022-10-22 15:54:24 +03:00
parent cd7048ffbd
commit 2696e77cc1
1 changed files with 60 additions and 60 deletions
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98
src/rshapes.c
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@ -58,7 +58,7 @@
#include <math.h> // Required for: sinf(), asinf(), cosf(), acosf(), sqrtf(), fabsf() #include <math.h> // Required for: sinf(), asinf(), cosf(), acosf(), sqrtf(), fabsf()
#include <float.h> // Required for: FLT_EPSILON #include <float.h> // Required for: FLT_EPSILON
#include <stdlib.h> // Required for: RL_FREE #include <stdlib.h> // Required for: RL_FREE
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Defines and Macros // Defines and Macros
@ -198,7 +198,7 @@ void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color)
Vector2 previous = startPos; Vector2 previous = startPos;
Vector2 current = { 0 }; Vector2 current = { 0 };
Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2)); Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2));
for (int i = 1; i <= BEZIER_LINE_DIVISIONS; i++) for (int i = 1; i <= BEZIER_LINE_DIVISIONS; i++)
{ {
@ -207,27 +207,27 @@ void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color)
current.y = EaseCubicInOut((float)i, startPos.y, endPos.y - startPos.y, (float)BEZIER_LINE_DIVISIONS); current.y = EaseCubicInOut((float)i, startPos.y, endPos.y - startPos.y, (float)BEZIER_LINE_DIVISIONS);
current.x = previous.x + (endPos.x - startPos.x)/ (float)BEZIER_LINE_DIVISIONS; current.x = previous.x + (endPos.x - startPos.x)/ (float)BEZIER_LINE_DIVISIONS;
double dy = current.y-previous.y; double dy = current.y-previous.y;
double dx = current.x-previous.x; double dx = current.x-previous.x;
double size = 0.5*thick/sqrt(dx*dx+dy*dy); double size = 0.5*thick/sqrt(dx*dx+dy*dy);
if (i==1) { f (i==1) {
pts[0].x = previous.x+dy*size; pts[0].x = previous.x+dy*size;
pts[0].y = previous.y-dx*size; pts[0].y = previous.y-dx*size;
pts[1].x = previous.x-dy*size; pts[1].x = previous.x-dy*size;
pts[1].y = previous.y+dx*size; pts[1].y = previous.y+dx*size;
} }
pts[2*i+1].x = current.x-dy*size; pts[2*i+1].x = current.x-dy*size;
pts[2*i+1].y = current.y+dx*size; pts[2*i+1].y = current.y+dx*size;
pts[2*i].x = current.x+dy*size; pts[2*i].x = current.x+dy*size;
pts[2*i].y = current.y-dx*size; pts[2*i].y = current.y-dx*size;
previous = current; previous = current;
} }
DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color); DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color);
RL_FREE(pts); RL_FREE(pts);
} }
// Draw line using quadratic bezier curves with a control point // Draw line using quadratic bezier curves with a control point
@ -239,7 +239,7 @@ void DrawLineBezierQuad(Vector2 startPos, Vector2 endPos, Vector2 controlPos, fl
Vector2 current = { 0 }; Vector2 current = { 0 };
float t = 0.0f; float t = 0.0f;
Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2)); Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2));
for (int i = 0; i <= BEZIER_LINE_DIVISIONS; i++) for (int i = 0; i <= BEZIER_LINE_DIVISIONS; i++)
{ {
@ -252,27 +252,27 @@ void DrawLineBezierQuad(Vector2 startPos, Vector2 endPos, Vector2 controlPos, fl
current.y = a*startPos.y + b*controlPos.y + c*endPos.y; current.y = a*startPos.y + b*controlPos.y + c*endPos.y;
current.x = a*startPos.x + b*controlPos.x + c*endPos.x; current.x = a*startPos.x + b*controlPos.x + c*endPos.x;
double dy = current.y-previous.y; double dy = current.y-previous.y;
double dx = current.x-previous.x; double dx = current.x-previous.x;
double size = 0.5*thick/sqrt(dx*dx+dy*dy); double size = 0.5*thick/sqrt(dx*dx+dy*dy);
if (i==1) { if (i==1) {
pts[0].x = previous.x+dy*size; pts[0].x = previous.x+dy*size;
pts[0].y = previous.y-dx*size; pts[0].y = previous.y-dx*size;
pts[1].x = previous.x-dy*size; pts[1].x = previous.x-dy*size;
pts[1].y = previous.y+dx*size; pts[1].y = previous.y+dx*size;
} }
pts[2*i+1].x = current.x-dy*size; pts[2*i+1].x = current.x-dy*size;
pts[2*i+1].y = current.y+dx*size; pts[2*i+1].y = current.y+dx*size;
pts[2*i].x = current.x+dy*size; pts[2*i].x = current.x+dy*size;
pts[2*i].y = current.y-dx*size; pts[2*i].y = current.y-dx*size;
previous = current; previous = current;
} }
DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color); DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color);
RL_FREE(pts); RL_FREE(pts);
} }
// Draw line using cubic bezier curves with 2 control points // Draw line using cubic bezier curves with 2 control points
@ -284,7 +284,7 @@ void DrawLineBezierCubic(Vector2 startPos, Vector2 endPos, Vector2 startControlP
Vector2 current = { 0 }; Vector2 current = { 0 };
float t = 0.0f; float t = 0.0f;
Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2)); Vector2* pts = RL_MALLOC((2*BEZIER_LINE_DIVISIONS+2)*sizeof(Vector2));
for (int i = 0; i <= BEZIER_LINE_DIVISIONS; i++) for (int i = 0; i <= BEZIER_LINE_DIVISIONS; i++)
{ {
@ -297,27 +297,27 @@ void DrawLineBezierCubic(Vector2 startPos, Vector2 endPos, Vector2 startControlP
current.y = a*startPos.y + b*startControlPos.y + c*endControlPos.y + d*endPos.y; current.y = a*startPos.y + b*startControlPos.y + c*endControlPos.y + d*endPos.y;
current.x = a*startPos.x + b*startControlPos.x + c*endControlPos.x + d*endPos.x; current.x = a*startPos.x + b*startControlPos.x + c*endControlPos.x + d*endPos.x;
double dy = current.y-previous.y; double dy = current.y-previous.y;
double dx = current.x-previous.x; double dx = current.x-previous.x;
double size = 0.5*thick/sqrt(dx*dx+dy*dy); double size = 0.5*thick/sqrt(dx*dx+dy*dy);
if (i==1) { if (i==1) {
pts[0].x = previous.x+dy*size; pts[0].x = previous.x+dy*size;
pts[0].y = previous.y-dx*size; pts[0].y = previous.y-dx*size;
pts[1].x = previous.x-dy*size; pts[1].x = previous.x-dy*size;
pts[1].y = previous.y+dx*size; pts[1].y = previous.y+dx*size;
} }
pts[2*i+1].x = current.x-dy*size; pts[2*i+1].x = current.x-dy*size;
pts[2*i+1].y = current.y+dx*size; pts[2*i+1].y = current.y+dx*size;
pts[2*i].x = current.x+dy*size; pts[2*i].x = current.x+dy*size;
pts[2*i].y = current.y-dx*size; pts[2*i].y = current.y-dx*size;
previous = current; previous = current;
} }
DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color); DrawTriangleStrip(pts, 2*BEZIER_LINE_DIVISIONS+2, color);
RL_FREE(pts); RL_FREE(pts);
} }
// Draw lines sequence // Draw lines sequence