/**
* Simple polygon geometry
*/
void testPolygon()
{
RiAttributeBegin(); {
RtFloat p[12] = {
-.5F, .5F, 0,
.5F, .5F, 0,
.5F, -.5F, 0,
-.5F, -.5F, 0
};
RtFloat st[8] = {
0, 0,
1, 0,
1, 1,
0, 1
};
RtFloat color[12] = {
0, 0, 0,
1, 0, 0,
0, 1, 0,
0, 0, 1
};
RiTranslate(0, 0, 3);
RiPolygon(4, RI_P, p, RI_ST, st, RI_CS, color, RI_NULL);
} RiAttributeEnd();
}
/* Draw a rectangular prism which spans two given opposite corners */
void drawCube(RtPoint from, RtPoint to) {
RtPoint front[4] = {{from[0], from[1], from[2]}, {from[0], to[1], from[2]}, {to[0], to[1], from[2]}, {to[0], from[1], from[2]}};
RtPoint back[4] = {{from[0], from[1], to[2]}, {from[0], to[1], to[2]}, {to[0], to[1], from[2]}, {to[0], from[1], to[2]}};
RtPoint left[4] = {{from[0], from[1], from[2]}, {from[0], to[1], from[2]}, {from[0], to[1], to[2]}, {from[0], from[1], to[2]}};
RtPoint right[4] = {{to[0], from[1], from[2]}, {to[0], to[1], from[2]}, {to[0], to[1], to[2]}, {to[0], from[1], to[2]}};
RtPoint top[4] = {{from[0], to[1], from[2]}, {from[0], to[1], to[2]}, {to[0], to[1], to[2]}, {to[0], to[1], from[2]}};
RtPoint bottom[4] = {{from[0], from[1], from[2]}, {from[0], from[1], to[2]}, {to[0], from[1], to[2]}, {to[0], from[1], from[2]}};
RiPolygon(4, RI_P, (RtPointer) front, RI_NULL);
RiPolygon(4, RI_P, (RtPointer) back, RI_NULL);
RiPolygon(4, RI_P, (RtPointer) left, RI_NULL);
RiPolygon(4, RI_P, (RtPointer) right, RI_NULL);
RiPolygon(4, RI_P, (RtPointer) top, RI_NULL);
RiPolygon(4, RI_P, (RtPointer) bottom, RI_NULL);
}
int main(int argc, const char *argv[])
{
RtPoint points[] = { { 0, 0, 0}, {-.5, .5, 0}, {.5, .5, 0} };
RtPoint points2[] = { { 0, 0, 0}, { 0, 1.0F, 0}, {1.33333F, -1.0F, 0}, {-1.33333F, -1.0F, 0} };
RtFloat color[] = { 1, 0, 0, 0, 1, 0, 0, 0, 1 };
RtFloat Cs1[] = {1, 1, 1};
RtFloat Cs2[] = {1, 1, 0};
RtFloat Cs3[] = {1, 0, 0};
RtBound bound = { -.5F, 0, 0, .5F, .5F, 0 };
RtInt renderer = 0;
RtString myVal[2] = {"MyVal0", "MyVal1"};
RiOption("MyOption", "string MyVar", &myVal[0], RI_NULL);
RiCPPControl("MyControl", "string MyVar2", &myVal[1], RI_NULL);
switch(renderer) {
case 1:
RiBegin("|aqsis -progress");
break;
case 2:
RiBegin("|rndr -p");
break;
default:
RiBegin(RI_NULL);
}
/* RiMakeTexture("mytexture.tiff", "mytexture.tx", RI_PERIODIC, RI_PERIODIC, RiSincFilter, (RtFloat)3.0, (RtFloat)3.0, RI_NULL); */
/* Using gcc-4.0.1 I got a warning for Ri-functions that float is used instead of double due to prototype,
* even if I pass explictely float. Due to a message in fr.comp.lang.c "Complexe avex fonction réelle" Jan 23, 2008
* this warning (gcc-4.2.3) is not issued in gcc-4.3.0 anymore, so I disabled the "Prototype conversion" option temporarily.
*/
RiPixelFilter(RiGaussianFilter, 3.0f, 3.0f),
RiShutter(0.0F, 1.0F);
RiClipping(0.5F, 20.0F);
RiProjection(RI_PERSPECTIVE, RI_NULL);
RiFrameBegin(1);
RiDisplay("Polygon", RI_FRAMEBUFFER, RI_RGB, RI_NULL);
RiTranslate(0.0F, 0.0F, 4.5F);
RiLightSource("pointlight", RI_NULL);
RiTranslate(0.0F, 0.0F, .5F);
RiWorldBegin();
RiOrientation(RI_LH);
RiSides(1);
RiSurface("matte", RI_NULL);
RiMotionBegin(3, 0.0F, 0.5F, 1.0F);
RiColor(Cs1);
RiColor(Cs2);
RiColor(Cs3);
RiMotionEnd();
RiMotionBegin(3, 0.0F, 0.5F, 1.0F);
RiRotate(10.0F, 0.0F, 0.0F, 1.0F);
RiRotate(20.0F, 0.0F, 0.0F, 1.0F);
RiRotate(30.0F, 0.0F, 0.0F, 1.0F);
RiMotionEnd();
RiDetail(bound);
RiDetailRange(0.0F, 0.0F, 100.0F, 150.0F);
RiPolygon(3, RI_P, points, RI_NULL);
RiDetailRange(100.0F, 150.0F, RI_INFINITY, RI_INFINITY);
RiPolygon(3, RI_P, points, RI_CS, color, RI_NULL);
RiTransformPoints(RI_SCREEN, RI_RASTER, sizeof(points2)/sizeof(RtPoint), points2);
RiWorldEnd();
RiFrameEnd();
RiEnd();
exit(0);
return 0;
}
void drawPencil() {
RtColor pink = {1.0, 0.5, 0.5};
RtColor silver = {0.7, 0.7, 0.7};
RtColor yellow = {1.0, 0.7, 0.0};
RtColor tan = {0.9, 0.8, 0.5};
RtColor black = {0.1, 0.1, 0.1};
RtPoint pencilSide[4] = {{-4.0, 0.1, -0.1}, {-4.0, 0.1, 0.1}, {4.0, 0.1, 0.1}, {4.0, 0.1, -0.1}};
RiColor(yellow);
RiSurface("paintedmatte", RI_NULL);
/* Draw all six sides of a pencil, each 8.0"x0.2" in size */
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
/* Draw the eraser */
RiTransformBegin();
RiTranslate(4.2, 0.0, 0.0);
/* Draw the metal part around the eraser */
RiTransformBegin();
RiTranslate(-0.2, 0.0, 0.0);
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiColor(silver);
RiSurface("metal", RI_NULL);
RiCylinder(0.15, 0.0, 0.3, 360.0, RI_NULL);
RiTransformEnd();
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiColor(pink);
RiSurface("matte", RI_NULL);
RiDisk(0.0, 0.15, 360, RI_NULL);
RiCylinder(0.15, 0.0, 0.2, 360, RI_NULL);
RiTransformEnd();
RiColor(tan);
RiSurface("matte", RI_NULL);
/* Draw the exposed wood part at the bottom of the pencil */
RiTranslate(-4.0, 0.0, 0.0);
RiTransformBegin();
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiCone(1.0, 0.15, 360, RI_NULL);
RiTransformEnd();
/* Draw the lead of the pencil */
RiTranslate(-0.7, 0.0, 0.0);
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiColor(black);
RiCone(0.3, 0.05, 360, RI_NULL);
}
/**
* Various polygon geometry interface calls
*/
void testPoly10()
{
RtFloat p[] = {
// outer
-.5, -.5, 1, // 1
-.5, .5, 1, // 2
.5, .5, 1, // 3
.5, -.5, 1, // 4
0
};
RtInt nloops[] = {
1
};
RtInt nverts[] = {
4
};
RtInt verts[] = {
0, 1, 2, 3
};
// Disable warnings (variable not used)
opacity_25[0] = opacity_25[0]+0;
opacity_50[0] = opacity_50[0]+0;
opacity_75[0] = opacity_75[0]+0;
RiAttributeBegin(); {
RiTranslate(0, 0, 1.5);
RiAttributeBegin(); {
RiRotate(15.0, 0, 0, 1);
RiOpacity(opacity_50);
RiColor(greenish);
// RiGeneralPolygon(nloops[0], nverts, RI_P, &p, RI_NULL);
RiPolygon(4, RI_P, &p, RI_NULL);
// RiPointsPolygons(1, nverts, verts, RI_P, &p, RI_NULL);
// RiPointsGeneralPolygons(1, nloops, nverts, verts, RI_P, &p, RI_NULL);
# if defined ( _TRACE )
{
RtInt i;
RiTransformPoints(RI_CURRENT, RI_RASTER, sizeof(p)/sizeof(RtPoint), (RtPoint *)p);
for ( i = 0; i < 4; ++i ) {
printf("x %f, y %f, z %f\n", p[i*3+0], p[i*3+1], p[i*3+2]);
}
printf("Inverse\n");
RiTransformPoints(RI_RASTER, RI_CURRENT, sizeof(p)/sizeof(RtPoint), (RtPoint *)p);
for ( i = 0; i < 4; ++i ) {
printf("x %f, y %f, z %f\n", p[i*3+0], p[i*3+1], p[i*3+2]);
}
}
# endif
} RiAttributeEnd();
RiAttributeBegin(); {
RiTranslate(0, 0, 0.2F);
// RiOpacity(opacity_50);
RiColor(redish);
// RiGeneralPolygon(nloops[0], nverts, RI_P, &p, RI_NULL);
// RiPolygon(4, RI_P, &p, RI_NULL);
RiPointsPolygons(1, nverts, verts, RI_P, &p, RI_NULL);
// RiPointsGeneralPolygons(1, nloops, nverts, verts, RI_P, &p, RI_NULL);
} RiAttributeEnd();
RiAttributeBegin(); {
RiRotate(-15.0F, 0, 0, 1);
RiTranslate(0, 0, 0.3F);
RiOpacity(opacity_75);
RiColor(blueish);
// RiGeneralPolygon(nloops[0], nverts, RI_P, &p, RI_NULL);
// RiPolygon(4, RI_P, &p, RI_NULL);
// RiPointsPolygons(1, nverts, verts, RI_P, &p, RI_NULL);
RiPointsGeneralPolygons(1, nloops, nverts, verts, RI_P, &p, RI_NULL);
} RiAttributeEnd();
} RiAttributeEnd();
}
