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WARNING: REMOVED: DrawTexturePoly()

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Function moved to `examples/textures/textures_polygon.c`, so users can learn from the implementation and create custom variants as required.
This commit is contained in:
Ray 2022-11-10 10:05:11 +01:00
parent fca58c8e2f
commit 84a2a88572
3 changed files with 36 additions and 32 deletions
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36
examples/textures/textures_polygon.c
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@ -14,10 +14,15 @@
********************************************************************************************/ ********************************************************************************************/
#include "raylib.h" #include "raylib.h"
#include "rlgl.h" // Required for: Vertex definition
#include "raymath.h" #include "raymath.h"
#define MAX_POINTS 11 // 10 points and back to the start #define MAX_POINTS 11 // 10 points and back to the start
// Draw textured polygon, defined by vertex and texture coordinates
void DrawTexturePoly(Texture2D texture, Vector2 center, Vector2 *points, Vector2 *texcoords, int pointCount, Color tint);
//------------------------------------------------------------------------------------ //------------------------------------------------------------------------------------
// Program main entry point // Program main entry point
//------------------------------------------------------------------------------------ //------------------------------------------------------------------------------------
@ -102,3 +107,34 @@ int main(void)
return 0; return 0;
} }
// Draw textured polygon, defined by vertex and texture coordinates
// NOTE: Polygon center must have straight line path to all points
// without crossing perimeter, points must be in anticlockwise order
void DrawTexturePoly(Texture2D texture, Vector2 center, Vector2 *points, Vector2 *texcoords, int pointCount, Color tint)
{
rlSetTexture(texture.id);
// Texturing is only supported on RL_QUADS
rlBegin(RL_QUADS);
rlColor4ub(tint.r, tint.g, tint.b, tint.a);
for (int i = 0; i < pointCount - 1; i++)
{
rlTexCoord2f(0.5f, 0.5f);
rlVertex2f(center.x, center.y);
rlTexCoord2f(texcoords[i].x, texcoords[i].y);
rlVertex2f(points[i].x + center.x, points[i].y + center.y);
rlTexCoord2f(texcoords[i + 1].x, texcoords[i + 1].y);
rlVertex2f(points[i + 1].x + center.x, points[i + 1].y + center.y);
rlTexCoord2f(texcoords[i + 1].x, texcoords[i + 1].y);
rlVertex2f(points[i + 1].x + center.x, points[i + 1].y + center.y);
}
rlEnd();
rlSetTexture(0);
}

1
src/raylib.h
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@ -1325,7 +1325,6 @@ RLAPI void DrawTextureQuad(Texture2D texture, Vector2 tiling, Vector2 offset, Re
RLAPI void DrawTextureTiled(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint); // Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest. RLAPI void DrawTextureTiled(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint); // Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest.
RLAPI void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, Color tint); // Draw a part of a texture defined by a rectangle with 'pro' parameters RLAPI void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, Color tint); // Draw a part of a texture defined by a rectangle with 'pro' parameters
RLAPI void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle dest, Vector2 origin, float rotation, Color tint); // Draws a texture (or part of it) that stretches or shrinks nicely RLAPI void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle dest, Vector2 origin, float rotation, Color tint); // Draws a texture (or part of it) that stretches or shrinks nicely
RLAPI void DrawTexturePoly(Texture2D texture, Vector2 center, Vector2 *points, Vector2 *texcoords, int pointCount, Color tint); // Draw a textured polygon
// Color/pixel related functions // Color/pixel related functions
RLAPI Color Fade(Color color, float alpha); // Get color with alpha applied, alpha goes from 0.0f to 1.0f RLAPI Color Fade(Color color, float alpha); // Get color with alpha applied, alpha goes from 0.0f to 1.0f

31
src/rtextures.c
View file

@ -3906,37 +3906,6 @@ void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle dest,
} }
} }
// Draw textured polygon, defined by vertex and texturecoordinates
// NOTE: Polygon center must have straight line path to all points
// without crossing perimeter, points must be in anticlockwise order
void DrawTexturePoly(Texture2D texture, Vector2 center, Vector2 *points, Vector2 *texcoords, int pointCount, Color tint)
{
rlSetTexture(texture.id);
// Texturing is only supported on RL_QUADS
rlBegin(RL_QUADS);
rlColor4ub(tint.r, tint.g, tint.b, tint.a);
for (int i = 0; i < pointCount - 1; i++)
{
rlTexCoord2f(0.5f, 0.5f);
rlVertex2f(center.x, center.y);
rlTexCoord2f(texcoords[i].x, texcoords[i].y);
rlVertex2f(points[i].x + center.x, points[i].y + center.y);
rlTexCoord2f(texcoords[i + 1].x, texcoords[i + 1].y);
rlVertex2f(points[i + 1].x + center.x, points[i + 1].y + center.y);
rlTexCoord2f(texcoords[i + 1].x, texcoords[i + 1].y);
rlVertex2f(points[i + 1].x + center.x, points[i + 1].y + center.y);
}
rlEnd();
rlSetTexture(0);
}
// Get color with alpha applied, alpha goes from 0.0f to 1.0f // Get color with alpha applied, alpha goes from 0.0f to 1.0f
Color Fade(Color color, float alpha) Color Fade(Color color, float alpha)
{ {