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FUCK YOU GL

master
Forest Belton 3 years ago
parent
commit
dd61d91b77
1 changed files with 28 additions and 24 deletions
  1. +28
    -24
      lib/render/gat.ts

+ 28
- 24
lib/render/gat.ts View File

@ -13,10 +13,10 @@ const UP = vec3.fromValues(0, 1, 0);
const printMat4 = (name: string, m: mat4) => {
console.log(name);
console.log([m[0], m[1], m[2], m[3]]);
console.log([m[4], m[5], m[6], m[7]]);
console.log([m[8], m[9], m[10], m[11]]);
console.log([m[12], m[13], m[14], m[15]]);
console.log([m[0], m[4], m[8], m[12]]);
console.log([m[1], m[5], m[9], m[13]]);
console.log([m[2], m[6], m[10], m[11]]);
console.log([m[3], m[7], m[14], m[15]]);
};
// Function to download data to a file
@ -86,26 +86,30 @@ export const renderGAT = (gl: WebGLRenderingContext, gat: GAT) => {
mat4.rotateX(view, view, -Math.PI / 2);
// mat4.lookAt(view, camera, center, UP);
const modelview = model;
mat4.multiply(modelview, model, view);
const perspective = mat4.create();
const aspect = gl.canvas.clientWidth / gl.canvas.clientHeight;
mat4.perspective(perspective, Math.PI / 4, aspect, 0.5, 2000);
mat4.perspective(perspective, Math.PI / 4, aspect, -10, -2000);
const matrix = mat4.create();
mat4.multiply(matrix, view, model);
printMat4("view * model", matrix);
mat4.multiply(matrix, perspective, matrix);
mat4.multiply(matrix, modelview, perspective);
const matrixLoc = gl.getUniformLocation(program, "u_matrix");
gl.uniformMatrix4fv(matrixLoc, false, matrix);
printMat4("model", model);
printMat4("view", view);
printMat4("model + view", modelview);
printMat4("projection", perspective);
printMat4("matrix", matrix);
printMat4("model + view + projection", matrix);
const origin = vec4.create();
vec4.transformMat4(origin, ORIGIN, modelview);
console.log("origin (modelview)", origin);
vec4.transformMat4(origin, ORIGIN, matrix);
console.log("origin", origin);
console.log("origin (projection)", origin);
const vertices: number[] = [];
@ -132,20 +136,20 @@ export const renderGAT = (gl: WebGLRenderingContext, gat: GAT) => {
// download(exportObj(vertices), "heightmap.obj", "text/plain");
// let failCount = 0;
// for (let i = 0; i < vertices.length / 3; ++i) {
// const vec = vec3.fromValues(vertices[i], vertices[i + 1], vertices[i + 2]);
// const result = checkPixelCoord(vec, matrix);
// if (result) {
// if (failCount < 10) {
// // console.log(vec);
// // console.log(result);
// }
// failCount++;
// }
// }
// console.log("failCount", failCount);
// console.log("totalCount", vertices.length / 3);
let failCount = 0;
for (let i = 0; i < vertices.length / 3; ++i) {
const vec = vec3.fromValues(vertices[i], vertices[i + 1], vertices[i + 2]);
const result = checkPixelCoord(vec, matrix);
if (result) {
if (failCount < 10) {
console.log(vec);
console.log(result);
}
failCount++;
}
}
console.log("failCount", failCount);
console.log("totalCount", vertices.length / 3);
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);

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