corrected GTE init and vectors
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6
Makefile
6
Makefile
@ -1,4 +1,4 @@
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#~ ## Hello world
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## Hello world
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TARGET = hello_world
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TYPE = ps-exe
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@ -26,7 +26,7 @@ SRCS = hello_world.c \
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#~ SRCS = hello_2pads.c \
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#~ ../common/crt0/crt0.s \
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#~ ## Hello poly
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## Hello poly
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#~ TARGET = hello_poly
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#~ TYPE = ps-exe
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@ -76,7 +76,7 @@ SRCS = hello_world.c \
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#~ VAG/hello.vag
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#~ VAG/poly.vag
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#~ ## Poly fun !
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## Poly fun !
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#~ TARGET = fun_with_poly
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#~ TYPE = ps-exe
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28
hello_poly.c
28
hello_poly.c
@ -73,8 +73,8 @@ void init(void)
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// Initialize and setup the GTE
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InitGeom();
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SetGeomOffset(0,0);
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SetGeomScreen(1);
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SetGeomOffset(CENTERX,CENTERY);
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SetGeomScreen(CENTERX);
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SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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@ -128,7 +128,8 @@ int main(void)
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POLY_F4 *poly = {0}; // pointer to a POLY_F4
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SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
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VECTOR MovVector = {CENTERX, CENTERY, 0}; // Initialize translation vector {x, y, z}
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VECTOR MovVector = {0, 0, CENTERX, 0}; // Initialize translation vector {x, y, z}
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VECTOR ScaleVector ={ONE, ONE, ONE}; // ONE is define as 4096 in libgte.h
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SVECTOR VertPos[4] = { // Set initial vertices position relative to 0,0 - see here : https://psx.arthus.net/docs/poly_f4.jpg
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{-32, -32, 1 }, // Vert 1
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@ -140,6 +141,7 @@ int main(void)
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long polydepth;
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long polyflag;
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long OTz;
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init();
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@ -152,7 +154,8 @@ int main(void)
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// Set transform matrices for this polygon
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RotMatrix(&RotVector, &PolyMatrix); // Apply rotation matrix
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TransMatrix(&PolyMatrix, &MovVector); // Apply translation matrix
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TransMatrix(&PolyMatrix, &MovVector);
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ScaleMatrix(&PolyMatrix, &ScaleVector); // Apply translation matrix
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SetRotMatrix(&PolyMatrix); // Set default rotation matrix
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SetTransMatrix(&PolyMatrix); // Set default transformation matrix
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@ -160,7 +163,17 @@ int main(void)
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setPolyF4(poly); // Initialize poly as a POLY_F4
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setRGB0(poly, 255, 0, 255); // Set poly color
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RotTransPers4(
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// RotTransPers
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//~ OTz = RotTransPers(&VertPos[0], (long*)&poly->x0, &polydepth, &polyflag);
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//~ RotTransPers(&VertPos[1], (long*)&poly->x1, &polydepth, &polyflag);
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//~ RotTransPers(&VertPos[2], (long*)&poly->x2, &polydepth, &polyflag);
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//~ RotTransPers(&VertPos[3], (long*)&poly->x3, &polydepth, &polyflag);
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// RotTransPers4 equivalent
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OTz = RotTransPers4(
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&VertPos[0], &VertPos[1], &VertPos[2], &VertPos[3],
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(long*)&poly->x0, (long*)&poly->x1, (long*)&poly->x2, (long*)&poly->x3,
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&polydepth,
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@ -168,7 +181,10 @@ int main(void)
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); // Perform coordinate and perspective transformation for 4 vertices
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RotVector.vz+=16; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
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RotVector.vy += 4;
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RotVector.vz += 4; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
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addPrim(ot[db], poly); // add poly to the Ordering table
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@ -1,6 +1,18 @@
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// With help from Nicolas Noble, Jaby smoll Seamonstah
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// Based on Lameguy64's tutorial series : http://lameguy64.net/svn/pstutorials/chapter1/2-graphics.html
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//
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// From ../psyq/addons/graphics/MESH/RMESH/TUTO0.C :
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//
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/* PSX screen coordinate system
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*
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* Z+
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* /
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* /
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* +------X+
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* /|
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* / |
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* / Y+
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* eye */
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#include <sys/types.h>
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#include <stdio.h>
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@ -80,8 +92,8 @@ void init(void)
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// Initialize and setup the GTE
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InitGeom();
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SetGeomOffset(0,0);
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SetGeomScreen(1);
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SetGeomOffset(CENTERX,CENTERY);
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SetGeomScreen(CENTERX);
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SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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@ -135,7 +147,8 @@ int main(void)
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POLY_FT4 *poly = {0}; // pointer to a POLY_G4
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SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
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VECTOR MovVector = {CENTERX, CENTERY, 0}; // Initialize translation vector {x, y, z}
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VECTOR MovVector = {0, 0, CENTERX/2, 0}; // Initialize translation vector {x, y, z, pad}
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VECTOR ScaleVector = {ONE, ONE, ONE}; // ONE is define as 4096 in libgte.h
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SVECTOR VertPos[4] = { // Set initial vertices position relative to 0,0 - see here : https://psx.arthus.net/docs/poly_f4.jpg
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{-32, -32, 1 }, // Vert 1
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@ -148,6 +161,8 @@ int main(void)
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long polydepth;
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long polyflag;
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int ping = 0;
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init();
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LoadTexture(_binary_TIM_bousai_tim_start, &bousai);
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@ -162,6 +177,7 @@ int main(void)
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RotMatrix(&RotVector, &PolyMatrix); // Apply rotation matrix
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TransMatrix(&PolyMatrix, &MovVector); // Apply translation matrix
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ScaleMatrix(&PolyMatrix, &ScaleVector); // Apply scale matrix
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SetRotMatrix(&PolyMatrix); // Set default rotation matrix
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SetTransMatrix(&PolyMatrix); // Set default transformation matrix
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@ -181,7 +197,25 @@ int main(void)
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setUV4(poly, 0, 0, 0, 144, 144, 0, 144, 144); // Set UV coordinates in order Top Left, Bottom Left, Top Right, Bottom Right
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RotVector.vz+=16; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
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// Let's have some fun on the Z axis
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if(!ping){
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if (MovVector.vz < CENTERX){ // While Poly position on Z axis is < 160, push it
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MovVector.vz += 1; // Push on Z axis
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} else {
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ping = !ping; // Switch ping value
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}
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}
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if(ping){
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if (MovVector.vz > CENTERX/2){ // While Poly position on Z axis is > 80, pull it
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MovVector.vz -= 1; // Pull on Z axis
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} else {
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ping = !ping; // Switch ping value
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}
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}
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addPrim(ot[db], poly); // add poly to the Ordering table
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@ -1,6 +1,19 @@
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// With help from Nicolas Noble, Jaby smoll Seamonstah
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// Based on Lameguy64's tutorial series : http://lameguy64.net/svn/pstutorials/chapter1/2-graphics.html
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//
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// From ../psyq/addons/graphics/MESH/RMESH/TUTO0.C :
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//
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/* PSX screen coordinate system
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*
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* Z+
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* /
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* /
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* +------X+
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* /|
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* / |
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* / Y+
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* eye */
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#include <sys/types.h>
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#include <stdio.h>
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@ -81,7 +94,7 @@ void init(void)
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InitGeom();
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SetGeomOffset(CENTERX,CENTERY);
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SetGeomScreen(8);
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SetGeomScreen(CENTERX);
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SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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@ -136,7 +149,7 @@ int main(void)
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POLY_GT4 *poly = {0}; // pointer to a POLY_G4
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SVECTOR RotVector = {0, 0, 0}; // Initialize rotation vector {x, y, z}
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VECTOR MovVector = {0,0, 12}; // Initialize translation vector {x, y, z}
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VECTOR MovVector = {0, 0, 120, 0}; // Initialize translation vector {x, y, z}
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SVECTOR VertPos[4] = { // Set initial vertices position relative to 0,0 - see here : https://psx.arthus.net/docs/poly_f4.jpg
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{-32, -32, 0 }, // Vert 1
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@ -186,7 +199,7 @@ int main(void)
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setUV4(poly, 0, 0, 0, 144, 144, 0, 144, 144); // Set UV coordinates in order Top Left, Bottom Left, Top Right, Bottom Right
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RotVector.vz += 16; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
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RotVector.vx += 8; // Apply rotation on Z-axis. On PSX, the Z-axis is pointing away from the screen.
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addPrim(ot[db], poly); // add poly to the Ordering table
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