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intermission:VantagePoint

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flowtron
2022-04-07 14:22:38 +02:00
parent 82473caa16
commit 81e1ce9fd9
3 changed files with 37 additions and 28 deletions
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source/src/entities.cpp
+32 -27
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@@ -136,41 +136,46 @@ void renderentarrow(const entity &e, const vec &dir, float radius, GLfloat color
switch(entarrowstyle)
{
case 0: // 4seg cone at tip
glBegin(GL_TRIANGLE_FAN);
glVertex3fv(target.v);
loopi(5)
{
vec p(spoke);
p.rotate(PI2 * i / 4.0f, dir);
p.add(arrowbase);
glVertex3fv(p.v);
glBegin(GL_TRIANGLE_FAN);
glVertex3fv(target.v);
loopi(5)
{
vec p(spoke);
p.rotate(PI2 * i / 4.0f, dir);
p.add(arrowbase);
glVertex3fv(p.v);
}
glEnd();
}
glEnd();
break;
case 1: // 4 rotated & tinted tips
float rothead[] = {0,PI/2,PI/4,3*PI/4};
glBegin(GL_TRIANGLES);
loopi(4)
{
glVertex3fv(target.v);
vec p1(spoke);
vec p2(spoke.mul(-1));
if(i>0)
float rothead[] = {0,PI/2,PI/4,3*PI/4};
glBegin(GL_TRIANGLES);
loopi(4)
{
p1.rotate(rothead[i],dir);
p2.rotate(rothead[i],dir);
glVertex3fv(target.v);
vec p1(spoke);
vec p2(spoke.mul(-1));
if(i>0)
{
p1.rotate(rothead[i],dir);
p2.rotate(rothead[i],dir);
}
if(i==2)
{
float csf = (((color[1]+color[2]+color[3])/3.0f)>0.5f)?.75f:1.25f;
glColor4f( csf*color[0], csf*color[1], csf*color[2], color[3]>0.5f?(color[3]/2.0f):(color[3]*2.0f) );
}
p1.add(arrowbase);
glVertex3fv(p1.v);
p2.add(arrowbase);
glVertex3fv(p2.v);
}
if(i==2)
{
float csf = (((color[1]+color[2]+color[3])/3.0f)>0.5f)?.75f:1.25f;
glColor4f( csf*color[0], csf*color[1], csf*color[2], color[3]>0.5f?(color[3]/2.0f):(color[3]*2.0f) );
}
p1.add(arrowbase);
glVertex3fv(p1.v);
p2.add(arrowbase);
glVertex3fv(p2.v);
glEnd();
}
glEnd();
break;
default: break;
}