GRRLIB/examples/gamecube/funsin/source/main.c
2022-11-23 23:35:53 -05:00

98 lines
2.8 KiB
C

/*===========================================
NoNameNo simple Gradient Sinusoid
A good start to code a nice plasma
============================================*/
#include <grrlib.h>
#include <stdlib.h>
#include <math.h>
#include <ogc/pad.h>
int main() {
// Initialise the Graphics & Video subsystem
GRRLIB_Init();
// Initialise the GameCube controllers
PAD_Init();
const int adc1=0;
const int offset1=0;
const int origin1=0;
const int length1=1280;
const int amp1=100;
const int period1=1;
const float pas1=(period1*360.0f)/length1;
float siny1 = offset1*pas1;
const int adc2=1;
const int offset2=0;
const int origin2=0;
const int length2=1280;
const int amp2=40;
const int period2=2;
const float pas2=(period2*360.0f)/length2;
float siny2 = offset2*pas2;
const int adc3=-3;
const int offset3=0;
const int origin3=0;
const int length3=1280;
const int amp3=30;
const int period3=1;
const float pas3=(period3*360.0f)/length3;
float siny3 = offset3*pas3;
const int adc4=-7;
const int offset4=0;
const int origin4=0;
const int length4=1280;
const int amp4=70;
const int period4=1;
const float pas4=(period4*360.0f)/length4;
float siny4 = offset4*pas4;
while (1) {
GRRLIB_FillScreen(0x000000FF);
PAD_ScanPads(); // Scan the GameCube controllers
if (PAD_ButtonsDown(0) & PAD_BUTTON_START) break;
const float old1=siny1;
const float old2=siny2;
const float old3=siny3;
const float old4=siny4;
for (u16 x=0; x<=640; x++) {
siny1+=pas1;
siny2+=pas2;
siny3+=pas3;
siny4+=pas4;
GX_Begin(GX_LINES, GX_VTXFMT0, 2);
GX_Position3f32(x, 0, 0);
GX_Color1u32(0x000000FF);
GX_Position3f32(x, (sin(DegToRad(siny1))*amp1+origin1)+(sin(DegToRad(siny2))*amp2+origin2)+(sin(DegToRad(siny3))*amp3+origin3)+(sin(DegToRad(siny4))*amp4+origin4)+240, 0);
GX_Color1u32(0xFF00007F);
GX_End();
GX_Begin(GX_LINES, GX_VTXFMT0, 2);
GX_Position3f32(x, (sin(DegToRad(siny1))*amp1+origin1)+(sin(DegToRad(siny2))*amp2+origin2)+(sin(DegToRad(siny3))*amp3+origin3)+(sin(DegToRad(siny4))*amp4+origin4)+240, 0);
GX_Color1u32(0xFF00007F);
GX_Position3f32(x, 480, 0);
GX_Color1u32(0x000000FF);
GX_End();
}
siny1=old1+(adc1*pas1);
siny2=old2+(adc2*pas2);
siny3=old3+(adc3*pas3);
siny4=old4+(adc4*pas4);
GRRLIB_Render(); // Render the frame buffer to the TV
}
GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
exit(0); // Use exit() to exit a program, do not use 'return' from main()
}