void DebugDrawer::drawTri(const Ogre::Vector3 *vertices,
const Ogre::ColourValue& colour,
bool isFilled)
{
buildTri(vertices, colour);
if (isFilled) buildFilledTriangle(vertices, colour, fillAlpha);
}
void TexTri::buildModel() {
vec4* points = new vec4[vertexCount];
vec2* tex = new vec2[vertexCount];
buildTri(points,0,
vec4(-1, -1, 0.0, 1.),
vec4( 0., 1, 0.0, 1.),
vec4( 1, -1, 0.0, 1.));
tex[0] = vec2(0, 0);
tex[1] = vec2(.5, 1);
tex[2] = vec2(1, 0);
prog->setBuffer(buffers[0],BUFFER_OFFSET(0),GL_FLOAT,
vertexCount,points,"vPosition");
prog->setBuffer(buffers[1],BUFFER_OFFSET(0),GL_FLOAT,
vertexCount,tex,"vTexture");
printf("setting texture=%s\n",texture);
prog->setTexture(texture,"Texture");
//prog->setTexture("uv_checker.png",GL_TEXTURE0,0,"Texture");
delete[] points;
delete[] tex;
}
/*
* The face variable should be formatted the following way:
*
* 0--1
* | /|
* |/ |
* 3--2
*/
void Menger::buildFace(vec4* face, int col) {
static vec4 cols[] = {
hexToVec4("FFFFFF",1.0), //+y = white
hexToVec4("00FF00",1.0), //+x = green?
hexToVec4("0000FF",1.0), //-x = blue
hexToVec4("FF6600",1.0), //-z = orange?
hexToVec4("FFFF00",1.0), //-y = yellow
hexToVec4("FF0000",1.0), //+z = red
};
buildTri(points, index, face[0], face[1], face[3]);
buildTri(points, index+3, face[1], face[2], face[3]);
//set colors and incrase index by 6
for(int i=0; i<6; i++) {
colors[index++] = cols[col];
}
}
/**
* p2 - p1
* | / |
* | / |
* p3 - p4
*/
void Square::buildFace(vec3* points, int i, vec3 p1, vec3 p2, vec3 p3, vec3 p4) {
buildTri(points, i, p1, p2, p3);
buildTri(points, i+3, p1, p4, p3);
}
