// Draw a pixel
void DrawPixel(int posX, int posY, Color color)
{
rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(posX, posY);
rlVertex2i(posX + 1, posY + 1);
rlEnd();
}
// Draw a line
void DrawLine(int startPosX, int startPosY, int endPosX, int endPosY, Color color)
{
rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(startPosX, startPosY);
rlVertex2i(endPosX, endPosY);
rlEnd();
}
// Draw a pixel (Vector version)
void DrawPixelV(Vector2 position, Color color)
{
rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2f(position.x, position.y);
rlVertex2i(position.x + 1, position.y + 1);
rlEnd();
}
// Draw a color-filled circle (Vector version)
void DrawCircleV(Vector2 center, float radius, Color color)
{
rlBegin(RL_TRIANGLES);
for (int i = 0; i < 360; i += 10)
{
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(center.x, center.y);
rlVertex2f(center.x + sin(DEG2RAD*i)*radius, center.y + cos(DEG2RAD*i)*radius);
rlVertex2f(center.x + sin(DEG2RAD*(i + 10)) * radius, center.y + cos(DEG2RAD*(i + 10)) * radius);
}
rlEnd();
}
// Draw a gradient-filled circle
// NOTE: Gradient goes from center (color1) to border (color2)
void DrawCircleGradient(int centerX, int centerY, float radius, Color color1, Color color2)
{
rlBegin(RL_TRIANGLES);
for (int i = 0; i < 360; i += 10)
{
rlColor4ub(color1.r, color1.g, color1.b, color1.a);
rlVertex2i(centerX, centerY);
rlColor4ub(color2.r, color2.g, color2.b, color2.a);
rlVertex2f(centerX + sin(DEG2RAD*i)*radius, centerY + cos(DEG2RAD*i)*radius);
rlColor4ub(color2.r, color2.g, color2.b, color2.a);
rlVertex2f(centerX + sin(DEG2RAD*(i + 10)) * radius, centerY + cos(DEG2RAD*(i + 10))*radius);
}
rlEnd();
}
// Draw rectangle outline
void DrawRectangleLines(int posX, int posY, int width, int height, Color color)
{
rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(posX + 1, posY + 1);
rlVertex2i(posX + width, posY + 1);
rlVertex2i(posX + width, posY + 1);
rlVertex2i(posX + width, posY + height);
rlVertex2i(posX + width, posY + height);
rlVertex2i(posX + 1, posY + height);
rlVertex2i(posX + 1, posY + height);
rlVertex2i(posX + 1, posY + 1);
rlEnd();
}
// Draw a gradient-filled rectangle
// NOTE: Gradient goes from bottom (color1) to top (color2)
void DrawRectangleGradient(int posX, int posY, int width, int height, Color color1, Color color2)
{
rlBegin(RL_TRIANGLES);
rlColor4ub(color1.r, color1.g, color1.b, color1.a); rlVertex2i(posX, posY);
rlColor4ub(color2.r, color2.g, color2.b, color2.a); rlVertex2i(posX, posY + height);
rlColor4ub(color2.r, color2.g, color2.b, color2.a); rlVertex2i(posX + width, posY + height);
rlColor4ub(color1.r, color1.g, color1.b, color1.a); rlVertex2i(posX, posY);
rlColor4ub(color2.r, color2.g, color2.b, color2.a); rlVertex2i(posX + width, posY + height);
rlColor4ub(color1.r, color1.g, color1.b, color1.a); rlVertex2i(posX + width, posY);
rlEnd();
}
// Draw rectangle using rlgl OpenGL 1.1 style coding (translated to OpenGL 3.3 internally)
static void DrawRectangleV(Vector2 position, Vector2 size, Color color)
{
rlBegin(RL_TRIANGLES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(position.x, position.y);
rlVertex2i(position.x, position.y + size.y);
rlVertex2i(position.x + size.x, position.y + size.y);
rlVertex2i(position.x, position.y);
rlVertex2i(position.x + size.x, position.y + size.y);
rlVertex2i(position.x + size.x, position.y);
rlEnd();
}
// Draw a regular polygon of n sides (Vector version)
void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color)
{
if (sides < 3) sides = 3;
rlPushMatrix();
rlTranslatef(center.x, center.y, 0.0);
rlRotatef(rotation, 0, 0, 1);
rlBegin(RL_TRIANGLES);
for (int i = 0; i < 360; i += 360/sides)
{
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(0, 0);
rlVertex2f(sin(DEG2RAD*i)*radius, cos(DEG2RAD*i)*radius);
rlVertex2f(sin(DEG2RAD*(i + 360/sides))*radius, cos(DEG2RAD*(i + 360/sides))*radius);
}
rlEnd();
rlPopMatrix();
}
// Draw a color-filled rectangle (Vector version)
void DrawRectangleV(Vector2 position, Vector2 size, Color color)
{
if (rlGetVersion() == OPENGL_11)
{
rlBegin(RL_TRIANGLES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2i(position.x, position.y);
rlVertex2i(position.x, position.y + size.y);
rlVertex2i(position.x + size.x, position.y + size.y);
rlVertex2i(position.x, position.y);
rlVertex2i(position.x + size.x, position.y + size.y);
rlVertex2i(position.x + size.x, position.y);
rlEnd();
}
else if ((rlGetVersion() == OPENGL_33) || (rlGetVersion() == OPENGL_ES_20))
{
// NOTE: This shape uses QUADS to avoid drawing order issues (view rlglDraw)
rlEnableTexture(whiteTexture); // Default white texture
rlBegin(RL_QUADS);
rlColor4ub(color.r, color.g, color.b, color.a);
rlNormal3f(0.0f, 0.0f, 1.0f);
rlTexCoord2f(0.0f, 0.0f);
rlVertex2f(position.x, position.y);
rlTexCoord2f(0.0f, 1.0f);
rlVertex2f(position.x, position.y + size.y);
rlTexCoord2f(1.0f, 1.0f);
rlVertex2f(position.x + size.x, position.y + size.y);
rlTexCoord2f(1.0f, 0.0f);
rlVertex2f(position.x + size.x, position.y);
rlEnd();
rlDisableTexture();
}
}
