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This commit is contained in:
amy 2023-04-20 01:19:42 +00:00
parent 4930a32c44
commit 55e74049a0
2 changed files with 94 additions and 35 deletions
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125
src/point.c
View File

@ -44,19 +44,22 @@ void mul_matr(double a[][ma],double b[][ma], double res[][ma]){
}
GLuint prog;
const char* vshader_src =
"#version 400\n"
"in vec4 s_vPosition;\n"
"#version 330\n"
"layout (location = 0) in vec3 pos;\n"
"layout (location = 1) in vec3 color;\n"
//"in vec4 s_vPosition;\n"
//"in vec5 aPos;\n"
"out vec3 ncolor;\n"
"void main(){\n"
"gl_Position = s_vPosition;\n"
"ncolor = color;\n"
"gl_Position = vec4(pos,1.0);\n"
"};";
const char* fshader_src =
"#version 400\n"
//"out vec4 s_vColor;\n"
"uniform float r;\n"
"uniform float g;\n"
"uniform float b;\n"
"#version 330\n"
"in vec3 ncolor;\n"
"out vec3 color;\n"
"void main(){\n"
"gl_FragColor = vec4(r, g, b, 0.0);\n"
"gl_FragColor = vec4(ncolor,1.0);\n"
"};";
GLuint vshader_comp(const char* shader_src){
GLuint vertid = glCreateShader(GL_VERTEX_SHADER);
@ -85,12 +88,15 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//double cty = 0;
//double ctz = 0;
//cz=100-cz;
//printf("%i\n",glGetError());
//glColor3f(1.0f,0.0f,0.0f);
GLfloat* pixels = malloc(sizeof(*pixels)*c->len*3);
//GLfloat* pixels = malloc(sizeof(*pixels)*c->len*5);
GLfloat pixels[(int)ceil(c->len*15)];
GLfloat colors[(int)ceil(c->len*15)];
//GLfloat* colors = malloc(sizeof(*colors)*c->len*4);
if(pixels==NULL)
err("failed to allocate perspective array:(",pexit);
//if(pixels==NULL)
// err("failed to allocate perspective array:(",pexit);
//glfwSwapBuffers(b);
@ -110,7 +116,7 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//double ez = 1/tan(fov/2);
//glBegin(GL_POINTS);
GLuint fb = 0;
double ez=get_h(); //i dont get this at all
double ez=get_h()*2; //i dont get this at all
//glGenFramebuffers(1,&fb);
glEnableClientState(GL_VERTEX_ARRAY);
//glEnableClientState(GL_VERTEX_ARRAY);
@ -138,22 +144,22 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//return;
pixels[i*2] = xa+1;
pixels[i*2+1] = ya;
//colors[i*3] = 255.0f;
//colors[i*3+1] = 1.0f;
//colors[i*3+2] = 1.0f;
colors[i*3] = 0.0f;
colors[i*3+1] = 1.0f;
colors[i*3+2] = 1.0f;
} else {
pixels[i*2] = -20;
pixels[i*2+1]= -20;
//colors[i*3] = 0.0f;
//colors[i*3+1] = 1.0f;
//colors[i*3+2] = 0.0f;
colors[i*3] = 0.0f;
colors[i*3+1] = 1.0f;
colors[i*3+2] = 0.0f;
}
//glfw_circle_partial(b,nearbyint(bx),nearbyint(by),/*(0>=aaa?1:*/1/*)*/);
//glfw_pixel_partial(b,round(bx),round(by));
}
//return;
glPointSize(2.0f);
//glUseProgram(prog);
//glVertexAttribPointer(0,3,GL_FLOAT,0, 7*4,0);
//glVertexAttribPointer(3,4,GL_FLOAT,0, 7*4,3*4);
//GLint posAttrib = glGetAttribLocation(0,"position");
@ -162,18 +168,59 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//for(int i = 0; i!=c->len*3; i++){
// colors[i] = 1.0f;
//}
GLint uni = glGetUniformLocation(prog,"r");
/*GLint uni = glGetUniformLocation(prog,"r");
glUniform1f(uni,1.0);
uni = glGetUniformLocation(prog,"g");
glUniform1f(uni,0.2);
uni = glGetUniformLocation(prog,"b");
glUniform1f(uni,0.3);
glVertexPointer(2,GL_FLOAT,0,pixels);
//glVertexPointer(3,GL_FLOAT,0,colors);
glUniform1f(uni,0.3);*/
/*glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE, c->len/2*sizeof(float),(void*)0);
glEnableVertexAttribArray(0);
int aaa3 = c->len/2*sizeof(float);
glVertexAttribPointer(2,5,GL_FLOAT,GL_FALSE, c->len/2*sizeof(float),(void*)(&aaa3));
glEnableVertexAttribArray(1);*/
/* GLuint colorb;
glGenBuffers(1,&colorb);
glBindBuffer(GL_ARRAY_BUFFER,colorb);
glBufferData(GL_ARRAY_BUFFER,sizeof(colors),colors,GL_STATIC_DRAW);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER,colorb);
glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
*/// return;
GLuint verta;
glGenVertexArrays(1,&verta);
glBindVertexArray(verta);GLuint vetb;
glGenBuffers(1,&vetb);
glBindBuffer(GL_ARRAY_BUFFER,vetb);
glBufferData(GL_ARRAY_BUFFER,sizeof(pixels),pixels,GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER,vetb);
glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,0,(void*)0);
GLuint colb;
glGenBuffers(1,&colb);
glBindBuffer(GL_ARRAY_BUFFER,colb);
glBufferData(GL_ARRAY_BUFFER,sizeof(colors),colors,GL_STATIC_DRAW);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER,colb);
glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
glDrawArrays(GL_POINTS,0,c->len);
glDeleteBuffers(1,&vetb);
glDeleteBuffers(1,&colb);
//glDisableVertexAttribArray(0);
//glDisableVertexAttribArray(1);
//glVertexPointer(2,GL_FLOAT,0,pixels);
//glVertexPointer(3,GL_FLOAT,0,colors);
//glDrawArrays(GL_POINTS,0,c->len);
//glDisableClientState(GL_VERTEX_ARRAY);
//glDisableClientState(GL_COLOR_ARRAY);
free(pixels);
//free(pixels);
//free(colors);
/*for(int i = 0; i!=get_w();i++){
glfw_pixel(b,i,get_h()/2);
@ -186,7 +233,7 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
point_arr* basier3d(double*xx,double*yy,double*zz,int n){
point_arr* pa;
pa = malloc(sizeof(*pa));
pa->c = malloc(sizeof(*pa->c)*(get_w()*30));
pa->c = malloc(sizeof(*pa->c)*(get_w()*60));
if(pa->c==NULL)
err("failed to allocate basier array",pexit);
//double xx[5] = {5.0,5.0,50.0,5.0,5.0};
@ -231,7 +278,7 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n){
void join_cords(point_arr* a, point_arr* b){
//printf("%lu\n",sizeof(*a)*(a_len+b_len+2));
int a_len = a->len;
a->c = realloc(a->c,sizeof(*a->c)*(a->len+b->len)*30);
a->c = realloc(a->c,sizeof(*a->c)*(a->len+b->len)*60);
a->len+=b->len;
if(a->c==NULL)
err("failed to reallocate cords",pexit);
@ -315,6 +362,9 @@ int main(int argc,char*argv[]){
prog = build_shader(vid,fid);
glUseProgram(prog);
info("built shaders");
double tl2[3] = {5.0,200.0,400.0};
double tr2[3] = {200.0,200.0,400.0};
double bl2[3] = {5.0,5.0,200.0};
@ -335,7 +385,7 @@ int main(int argc,char*argv[]){
double pl_z = 0;
double plr_x = 0;
double plr_y = 0;
for(double rr = 0.01;rr!=0;rr+=0.01){
for(;;){
double p1 = plr_x*0.01;
double p2 = plr_y*0.01;
double p3 = 0;
@ -344,38 +394,46 @@ int main(int argc,char*argv[]){
double p6 = pl_x;
perspective_proj(w,a,p1,p2,p3,p4,p5,p6);
glfw_load(w);
//break;
int mod_move=1;
double run_mul=2;
usleep(10000);
//usleep(10000);
glfwPollEvents();
if(glfwGetKey(w,GLFW_KEY_I)){
if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
plr_x-=mod_move;
else
plr_x--;
plr_x = fmod(plr_x,max_r);
//plr_y = fmod(plr_y,max_r);
}
if(glfwGetKey(w,GLFW_KEY_K)){
if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
plr_x+=mod_move;
else
plr_x++;
plr_x = fmod(plr_x,max_r);
//plr_y = fmod(plr_y,max_r);
}
if(glfwGetKey(w,GLFW_KEY_J)){
if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
plr_y-=mod_move;
else
plr_y--;
//plr_x = fmod(plr_x,max_r);
plr_y = fmod(plr_y,max_r);
}
if(glfwGetKey(w,GLFW_KEY_L)){
if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
plr_y+=mod_move;
else
plr_y++;
}
plr_x = fmod(plr_x,max_r);
//plr_x = fmod(plr_x,max_r);
plr_y = fmod(plr_y,max_r);
}
if(glfwGetKey(w,GLFW_KEY_W)){
double mul = 1;
if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
@ -408,6 +466,7 @@ int main(int argc,char*argv[]){
pl_y+=sinf((half_max_r+plr_y)*0.01)*mul;
}
//printf("%f %f %f\n",plr_y,cosf(plr_y*0.01),sinf(plr_y*0.01));
usleep(1000*1000/60);
glfw_clear(w);
if(glfwWindowShouldClose(w))break;

4
src/util.h
View File

@ -6,9 +6,9 @@
#include "string.h"
#define greater(a,b) (a>b?a:b)
#define lesser(a,b) (a>b?b:a)
#define malloc(X) malloc(X); mmalloc();
//#define malloc(X) malloc(X); mmalloc();
void mmalloc();
#define free(X) free(X); ffree();
//#define free(X) free(X); ffree();
void ffree();
void err_m(char*,void (*)(int),char*,int);
void warn_m(char*,char*,int ,...);