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Add DrawPlaneEx function

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This commit is contained in:
Alexander Zubov 2026-05-01 05:04:23 +02:00
parent 7cb41956b7
commit 82a39b3723
2 changed files with 29 additions and 0 deletions
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1
src/raylib.h
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@ -1584,6 +1584,7 @@ RLAPI void DrawCylinderWiresEx(Vector3 startPos, Vector3 endPos, float startRadi
RLAPI void DrawCapsule(Vector3 startPos, Vector3 endPos, float radius, int rings, int slices, Color color); // Draw a capsule with the center of its sphere caps at startPos and endPos
RLAPI void DrawCapsuleWires(Vector3 startPos, Vector3 endPos, float radius, int rings, int slices, Color color); // Draw capsule wireframe with the center of its sphere caps at startPos and endPos
RLAPI void DrawPlane(Vector3 centerPos, Vector2 size, Color color); // Draw a plane XZ
RLAPI void DrawPlaneEx(Vector3 centerPos, Vector2 size, Color color, Vector3 normal, Vector3 tangent); // Draw a plane with extended parameters
RLAPI void DrawRay(Ray ray, Color color); // Draw a ray line
RLAPI void DrawGrid(int slices, float spacing); // Draw a grid (centered at (0, 0, 0))
RLAPI void DrawGridEx(int slices, float spacing, Vector3 color, Vector3 position, Vector3 normal, Vector3 tangent); // Draw a grid with extended parameters

28
src/rmodels.c
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@ -1058,6 +1058,34 @@ void DrawPlane(Vector3 centerPos, Vector2 size, Color color)
rlPopMatrix();
}
// Draw a plane with extended parameters
RLAPI void DrawPlaneEx(Vector3 centerPos, Vector2 size, Color color, Vector3 normal, Vector3 tangent)
{
// Build basis vectors
Vector3 n = Vector3Normalize(normal);
Vector3 t = Vector3Normalize(tangent);
Vector3 b = Vector3Normalize(Vector3CrossProduct(n, t));
t = Vector3CrossProduct(n, b); // Ensure normal and tangent vectors are orthogonal
float hx = size.x * 0.5f;
float hy = size.y * 0.5f;
Vector3 v1 = Vector3Add(centerPos, Vector3Add(Vector3Scale(t, -hx), Vector3Scale(b, -hy)));
Vector3 v2 = Vector3Add(centerPos, Vector3Add(Vector3Scale(t, -hx), Vector3Scale(b, hy)));
Vector3 v3 = Vector3Add(centerPos, Vector3Add(Vector3Scale(t, hx), Vector3Scale(b, hy)));
Vector3 v4 = Vector3Add(centerPos, Vector3Add(Vector3Scale(t, hx), Vector3Scale(b, -hy)));
rlBegin(RL_QUADS);
rlColor4ub(color.r, color.g, color.b, color.a);
rlNormal3f(normal.x, normal.y, normal.z);
rlVertex3f(v1.x, v1.y, v1.z);
rlVertex3f(v2.x, v2.y, v2.z);
rlVertex3f(v3.x, v3.y, v3.z);
rlVertex3f(v4.x, v4.y, v4.z);
rlEnd();
}
// Draw a ray line
void DrawRay(Ray ray, Color color)
{