// 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 cube wires
void DrawCubeWires(Vector3 position, float width, float height, float length, Color color)
{
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
rlPushMatrix();
rlTranslatef(position.x, position.y, position.z);
//rlRotatef(45, 0, 1, 0);
rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a);
// Front Face -----------------------------------------------------
// Bottom Line
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
// Left Line
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right
// Top Line
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
// Right Line
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
// Back Face ------------------------------------------------------
// Bottom Line
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
// Left Line
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
// Top Line
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
// Right Line
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left
// Top Face -------------------------------------------------------
// Left Line
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left Front
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left Back
// Right Line
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right Front
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right Back
// Bottom Face ---------------------------------------------------
// Left Line
rlVertex3f(x-width/2, y-height/2, z+length/2); // Top Left Front
rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left Back
// Right Line
rlVertex3f(x+width/2, y-height/2, z+length/2); // Top Right Front
rlVertex3f(x+width/2, y-height/2, z-length/2); // Top Right Back
rlEnd();
rlPopMatrix();
}
// Draw cube
// NOTE: Cube position is the center position
void DrawCube(Vector3 position, float width, float height, float length, Color color)
{
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
rlPushMatrix();
// NOTE: Be careful! Function order matters (rotate -> scale -> translate)
rlTranslatef(position.x, position.y, position.z);
//rlScalef(2.0f, 2.0f, 2.0f);
//rlRotatef(45, 0, 1, 0);
rlBegin(RL_TRIANGLES);
rlColor4ub(color.r, color.g, color.b, color.a);
// Front Face -----------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
// Back Face ------------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
// Top Face -------------------------------------------------------
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x-width/2, y+height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y+height/2, z+length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left
rlVertex3f(x+width/2, y+height/2, z+length/2); // Bottom Right
// Bottom Face ----------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Top Right
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right
rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left
// Right face -----------------------------------------------------
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Left
// Left Face ------------------------------------------------------
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Right
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Right
rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left
rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left
rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Right
rlEnd();
rlPopMatrix();
}
