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authormattkae <mattkae@protonmail.com>2022-05-07 12:17:36 -0400
committermattkae <mattkae@protonmail.com>2022-05-07 12:17:36 -0400
commit0b8596a5ebec39f797fe8a14eed1bda3c2e3a93d (patch)
treeea248ce7d55046d578f5ad371f4083405a4f7892 /themes
parent1c051dffdb27ff6ebaa96802b021e99e49afb861 (diff)
Working bunny render
Diffstat (limited to 'themes')
-rw-r--r--themes/.cache/clangd/index/LeafParticleRender.cpp.C2E152FEB0B3916C.idxbin3400 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/LeafParticleRender.h.A0C89D6CC01BA1D6.idxbin2388 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/List.h.84187636E582396F.idxbin2316 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Logger.cpp.34B9E643FD45042C.idxbin1838 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Logger.h.2FC9510B2A1DA2B6.idxbin1454 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/MainLoop.cpp.0A630693C5FEABA6.idxbin622 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/MainLoop.h.553E619C58AEAAC0.idxbin766 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Renderer2d.cpp.DF430723818BC87C.idxbin2676 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Renderer2d.h.F1518A7EF7C2E747.idxbin1858 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Shader.cpp.AC882162C5E40BA1.idxbin1220 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Shader.h.24FA31E5639E64F9.idxbin1788 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Snowflake.cpp.3E4BE700DA4CDAC9.idxbin3608 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/Snowflake.h.CAD2EF1A1EEC6A99.idxbin2606 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/TreeShape.cpp.3271E9D39A039C82.idxbin4650 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/TreeShape.h.68863A800A0A4201.idxbin3368 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/WebglContext.cpp.3728EAA427EF3918.idxbin664 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/WebglContext.h.711DD5037F9DAD0A.idxbin700 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/list.h.94D5DE92B51D5CD7.idxbin2590 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/main.cpp.FFD15187911D63D3.idxbin2662 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/mathlib.cpp.859174258F5EDF5F.idxbin14254 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/mathlib.h.A720E377CAA2A298.idxbin7208 -> 0 bytes
-rw-r--r--themes/.cache/clangd/index/types.h.940FD7BC1E2270BF.idxbin814 -> 0 bytes
-rw-r--r--themes/Makefile2
-rw-r--r--themes/Renderer3d.cpp168
-rw-r--r--themes/Renderer3d.h12
-rw-r--r--themes/dist/output.js30
-rwxr-xr-xthemes/dist/output.wasmbin89301 -> 116476 bytes
-rw-r--r--themes/main.cpp24
-rw-r--r--themes/mathlib.cpp14
-rw-r--r--themes/mathlib.h1
-rw-r--r--themes/resources/bunny.obj9
31 files changed, 237 insertions, 23 deletions
diff --git a/themes/.cache/clangd/index/LeafParticleRender.cpp.C2E152FEB0B3916C.idx b/themes/.cache/clangd/index/LeafParticleRender.cpp.C2E152FEB0B3916C.idx
deleted file mode 100644
index 1023991..0000000
--- a/themes/.cache/clangd/index/LeafParticleRender.cpp.C2E152FEB0B3916C.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/LeafParticleRender.h.A0C89D6CC01BA1D6.idx b/themes/.cache/clangd/index/LeafParticleRender.h.A0C89D6CC01BA1D6.idx
deleted file mode 100644
index 6578f1f..0000000
--- a/themes/.cache/clangd/index/LeafParticleRender.h.A0C89D6CC01BA1D6.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/List.h.84187636E582396F.idx b/themes/.cache/clangd/index/List.h.84187636E582396F.idx
deleted file mode 100644
index bc21ab0..0000000
--- a/themes/.cache/clangd/index/List.h.84187636E582396F.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Logger.cpp.34B9E643FD45042C.idx b/themes/.cache/clangd/index/Logger.cpp.34B9E643FD45042C.idx
deleted file mode 100644
index 8fd4f7f..0000000
--- a/themes/.cache/clangd/index/Logger.cpp.34B9E643FD45042C.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Logger.h.2FC9510B2A1DA2B6.idx b/themes/.cache/clangd/index/Logger.h.2FC9510B2A1DA2B6.idx
deleted file mode 100644
index f56ab56..0000000
--- a/themes/.cache/clangd/index/Logger.h.2FC9510B2A1DA2B6.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/MainLoop.cpp.0A630693C5FEABA6.idx b/themes/.cache/clangd/index/MainLoop.cpp.0A630693C5FEABA6.idx
deleted file mode 100644
index eb244ee..0000000
--- a/themes/.cache/clangd/index/MainLoop.cpp.0A630693C5FEABA6.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/MainLoop.h.553E619C58AEAAC0.idx b/themes/.cache/clangd/index/MainLoop.h.553E619C58AEAAC0.idx
deleted file mode 100644
index 96dfe45..0000000
--- a/themes/.cache/clangd/index/MainLoop.h.553E619C58AEAAC0.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Renderer2d.cpp.DF430723818BC87C.idx b/themes/.cache/clangd/index/Renderer2d.cpp.DF430723818BC87C.idx
deleted file mode 100644
index 01bf4da..0000000
--- a/themes/.cache/clangd/index/Renderer2d.cpp.DF430723818BC87C.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Renderer2d.h.F1518A7EF7C2E747.idx b/themes/.cache/clangd/index/Renderer2d.h.F1518A7EF7C2E747.idx
deleted file mode 100644
index d005647..0000000
--- a/themes/.cache/clangd/index/Renderer2d.h.F1518A7EF7C2E747.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Shader.cpp.AC882162C5E40BA1.idx b/themes/.cache/clangd/index/Shader.cpp.AC882162C5E40BA1.idx
deleted file mode 100644
index aeaed79..0000000
--- a/themes/.cache/clangd/index/Shader.cpp.AC882162C5E40BA1.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Shader.h.24FA31E5639E64F9.idx b/themes/.cache/clangd/index/Shader.h.24FA31E5639E64F9.idx
deleted file mode 100644
index 43816e1..0000000
--- a/themes/.cache/clangd/index/Shader.h.24FA31E5639E64F9.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Snowflake.cpp.3E4BE700DA4CDAC9.idx b/themes/.cache/clangd/index/Snowflake.cpp.3E4BE700DA4CDAC9.idx
deleted file mode 100644
index 16294ae..0000000
--- a/themes/.cache/clangd/index/Snowflake.cpp.3E4BE700DA4CDAC9.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/Snowflake.h.CAD2EF1A1EEC6A99.idx b/themes/.cache/clangd/index/Snowflake.h.CAD2EF1A1EEC6A99.idx
deleted file mode 100644
index 2f0ad76..0000000
--- a/themes/.cache/clangd/index/Snowflake.h.CAD2EF1A1EEC6A99.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/TreeShape.cpp.3271E9D39A039C82.idx b/themes/.cache/clangd/index/TreeShape.cpp.3271E9D39A039C82.idx
deleted file mode 100644
index f531d9b..0000000
--- a/themes/.cache/clangd/index/TreeShape.cpp.3271E9D39A039C82.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/TreeShape.h.68863A800A0A4201.idx b/themes/.cache/clangd/index/TreeShape.h.68863A800A0A4201.idx
deleted file mode 100644
index dbbe718..0000000
--- a/themes/.cache/clangd/index/TreeShape.h.68863A800A0A4201.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/WebglContext.cpp.3728EAA427EF3918.idx b/themes/.cache/clangd/index/WebglContext.cpp.3728EAA427EF3918.idx
deleted file mode 100644
index b4162e5..0000000
--- a/themes/.cache/clangd/index/WebglContext.cpp.3728EAA427EF3918.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/WebglContext.h.711DD5037F9DAD0A.idx b/themes/.cache/clangd/index/WebglContext.h.711DD5037F9DAD0A.idx
deleted file mode 100644
index a1c1f7e..0000000
--- a/themes/.cache/clangd/index/WebglContext.h.711DD5037F9DAD0A.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/list.h.94D5DE92B51D5CD7.idx b/themes/.cache/clangd/index/list.h.94D5DE92B51D5CD7.idx
deleted file mode 100644
index 0133a7f..0000000
--- a/themes/.cache/clangd/index/list.h.94D5DE92B51D5CD7.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/main.cpp.FFD15187911D63D3.idx b/themes/.cache/clangd/index/main.cpp.FFD15187911D63D3.idx
deleted file mode 100644
index 972d73a..0000000
--- a/themes/.cache/clangd/index/main.cpp.FFD15187911D63D3.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/mathlib.cpp.859174258F5EDF5F.idx b/themes/.cache/clangd/index/mathlib.cpp.859174258F5EDF5F.idx
deleted file mode 100644
index e3d887c..0000000
--- a/themes/.cache/clangd/index/mathlib.cpp.859174258F5EDF5F.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/mathlib.h.A720E377CAA2A298.idx b/themes/.cache/clangd/index/mathlib.h.A720E377CAA2A298.idx
deleted file mode 100644
index 6eabda1..0000000
--- a/themes/.cache/clangd/index/mathlib.h.A720E377CAA2A298.idx
+++ /dev/null
Binary files differ
diff --git a/themes/.cache/clangd/index/types.h.940FD7BC1E2270BF.idx b/themes/.cache/clangd/index/types.h.940FD7BC1E2270BF.idx
deleted file mode 100644
index adc57af..0000000
--- a/themes/.cache/clangd/index/types.h.940FD7BC1E2270BF.idx
+++ /dev/null
Binary files differ
diff --git a/themes/Makefile b/themes/Makefile
index dce422e..8bdc04e 100644
--- a/themes/Makefile
+++ b/themes/Makefile
@@ -14,4 +14,4 @@ build:
@mkdir -p dist
clean:
- rm -rf dist \ No newline at end of file
+ rm -rf dist && rm *.o \ No newline at end of file
diff --git a/themes/Renderer3d.cpp b/themes/Renderer3d.cpp
index ded364d..771d778 100644
--- a/themes/Renderer3d.cpp
+++ b/themes/Renderer3d.cpp
@@ -1,8 +1,10 @@
#include "Renderer3d.h"
#include "Shader.h"
+#include "list.h"
#include "mathlib.h"
#include "WebglContext.h"
#include "Logger.h"
+#include <cstdio>
// Note: In the 'transform' attribute, the transform.x is the scale,
// transform.y is the rotation, and transform.zw is the translatiob.
@@ -10,10 +12,11 @@ const char* vertexShader =
"attribute vec4 position; \n"
"attribute vec4 color; \n"
"uniform mat4 projection; \n"
+"uniform mat4 view; \n"
"uniform mat4 model; \n"
"varying lowp vec4 VertexColor; \n"
"void main() { \n"
-" vec4 fragmentPosition = projection * model * position; \n"
+" vec4 fragmentPosition = projection * view * model * position; \n"
" gl_Position = fragmentPosition; \n"
" VertexColor = color; \n"
"}";
@@ -45,8 +48,10 @@ void Renderer3D::load(WebglContext* inContext) {
attributes.position = getShaderAttribute(shader, "position");
attributes.color = getShaderAttribute(shader, "color");
uniforms.projection = getShaderUniform(shader, "projection");
+ uniforms.view = getShaderUniform(shader, "view");
uniforms.model = getShaderUniform(shader, "model");
- projection = Mat4x4().getPerspectiveProjection(0.1, 100.f, DEG_TO_RAD(60.f), static_cast<f32>(context->width) / static_cast<f32>(context->height));
+ projection = Mat4x4().getPerspectiveProjection(0.1, 1000.f, 0.872f, static_cast<f32>(context->width) / static_cast<f32>(context->height));
+ view = Mat4x4().getLookAt({ 0, 25, 25 }, { 0, 0, 0 }, { 0, 1, 0 });
logger_info("Renderer2d shader compiled.\n");
@@ -64,6 +69,7 @@ void Renderer3D::render() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
useShader(shader);
setShaderMat4(uniforms.projection, projection);
+ setShaderMat4(uniforms.view, view);
}
void Renderer3D::unload() {
@@ -72,10 +78,164 @@ void Renderer3D::unload() {
glDeleteProgram(shader);
}
-Mesh3d Mesh3d_fromObj(std::string content) {
+enum LineType {
+ LineType_None,
+ LineType_Comment,
+ LineType_mtl,
+ LineType_v,
+ LineType_f,
+ LineType_Unsupported
+};
+
+struct LineItem {
+ LineType type = LineType_None;
+
+ i32 idx = 0;
+
+ union {
+ f32 vertices[3];
+ i32 indices[3];
+ } v;
+};
+
+inline i32 readPastSpaces(i32 i, const char* content) {
+ while (content[i] == ' ') i++;
+ return i;
+}
+
+inline i32 readPastLine(i32 i, const char* content) {
+ while (content[i] != '\n' && content[i] != '\0') i++;
+ return i;
+}
+
+inline i32 readToken(i32 i, const char* content, char* output) {
+ i32 tidx = 0;
+ i = readPastSpaces(i, content);
+ while (content[i] != ' ' && content[i] != '\n' && content[i] != '\0') {
+ output[tidx] = content[i];
+ i++;
+ tidx++;
+ }
+ output[tidx] = '\0';
+ return i;
+}
+
+Mesh3d Mesh3d_fromObj(Renderer3D* renderer, const char* content, const i32 len) {
Mesh3d result;
+ result.vertices.allocate(2048);
+ result.indices.allocate(2048);
-
+ LineItem lt;
+ lt.type = LineType_None;
+ i32 lineNumber = 0;
+ i32 i = 0;
+ while (content[i] != '\0') {
+ i = readPastSpaces(i, content);
+ if (lt.type == LineType_None) {
+ lineNumber++;
+ char type[32];
+ i = readToken(i, content, type);
+
+ if (strncmp(type, "#", 1) == 0) {
+ lt.type = LineType_Comment;
+ }
+ else if (strncmp(type, "mtllib", 6) == 0) {
+ lt.type = LineType_mtl;
+ }
+ else if (strncmp(type, "v", 1) == 0) {
+ lt.type = LineType_v;
+ }
+ else if (strncmp(type, "f", 1) == 0) {
+ lt.type = LineType_f;
+ }
+ else {
+ i++;
+ //lt.type = LineType_Unsupported;
+ //logger_error("Unknown type %s, %d", type, lineNumber);
+ }
+ }
+ else {
+ char buffer[32];
+ switch (lt.type) {
+ case LineType_mtl:
+ i = readToken(i, content, buffer);
+ break;
+ case LineType_v:
+ while (content[i] != '\n' && content[i] != '\0') {
+ i = readToken(i, content, buffer);
+ lt.v.vertices[lt.idx] = atof(buffer);
+ lt.idx++;
+ }
+ result.vertices.add({
+ Vector4(lt.v.vertices[0], lt.v.vertices[1], lt.v.vertices[2], 1.f),
+ Vector4(randomFloatBetween(0, 1), randomFloatBetween(0, 1), randomFloatBetween(0, 1), 1)
+ });
+ break;
+ case LineType_f:
+ while (content[i] != '\n' && content[i] != '\0') {
+ i = readToken(i, content, buffer);
+ lt.v.indices[lt.idx] = atoi(buffer);
+ lt.idx++;
+ }
+ result.indices.add(lt.v.indices[0] - 1);
+ result.indices.add(lt.v.indices[1] - 1);
+ result.indices.add(lt.v.indices[2] - 1);
+ break;
+ case LineType_Comment:
+ i = readPastLine(i, content);
+ break;
+ case LineType_Unsupported:
+ i = readPastLine(i, content);
+ break;
+ default:
+ break;
+ }
+
+ lt = LineItem();
+ }
+ }
+ printf("Completed Mesh3d loading.\n");
+ result.load(renderer);
return result;
+}
+
+void Mesh3d::load(Renderer3D* renderer) {
+ glGenVertexArrays(1, &vao);
+ glGenBuffers(1, &vbo);
+ glGenBuffers(1, &ebo);
+
+ glBindVertexArray(vao);
+
+ glBindBuffer(GL_ARRAY_BUFFER, vbo);
+ glBufferData(GL_ARRAY_BUFFER, vertices.numElements * sizeof(Vertex3d), &vertices.data[0], GL_STATIC_DRAW);
+
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.numElements * sizeof(GLuint), &indices.data[0], GL_STATIC_DRAW);
+
+ // Position
+ glEnableVertexAttribArray(renderer->attributes.position);
+ glVertexAttribPointer(renderer->attributes.position, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex3d), (GLvoid *)0);
+
+ // Normal
+ glEnableVertexAttribArray(renderer->attributes.color);
+ glVertexAttribPointer(renderer->attributes.color, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex3d), (GLvoid *)offsetof(Vertex3d, color));
+
+ glBindVertexArray(0);
+}
+
+void Mesh3d::unload() {
+ if (vao) glDeleteVertexArrays(1, &vao);
+ if (vbo) glDeleteBuffers(1, &vbo);
+ if (ebo) glDeleteBuffers(1, &ebo);
+ vertices.deallocate();
+ indices.deallocate();
+}
+
+void Mesh3d::render(Renderer3D* renderer) {
+ setShaderMat4(renderer->uniforms.model, model);
+
+ glBindVertexArray(vao);
+ glDrawElements(GL_TRIANGLES, indices.numElements, GL_UNSIGNED_INT, 0);
+ glBindVertexArray(0);
} \ No newline at end of file
diff --git a/themes/Renderer3d.h b/themes/Renderer3d.h
index add41d7..71fc8fe 100644
--- a/themes/Renderer3d.h
+++ b/themes/Renderer3d.h
@@ -5,6 +5,8 @@
#include "types.h"
#include <string>
+struct Renderer3D;
+
struct Vertex3d {
Vector4 position;
Vector4 color;
@@ -17,12 +19,17 @@ struct Mesh3d {
matte::List<Vertex3d> vertices;
matte::List<u32> indices;
Mat4x4 model;
+
+ void load(Renderer3D* renderer);
+ void render(Renderer3D* renderer);
+ void unload();
};
struct WebglContext;
struct Renderer3D {
WebglContext* context = NULL;
Mat4x4 projection;
+ Mat4x4 view;
u32 shader;
Vector4 clearColor;
@@ -33,6 +40,7 @@ struct Renderer3D {
struct {
i32 projection;
+ i32 view;
i32 model;
} uniforms;
@@ -41,6 +49,6 @@ struct Renderer3D {
void unload();
};
-Mesh3d Mesh3d_fromObj(std::string content);
+Mesh3d Mesh3d_fromObj(Renderer3D* renderer, const char* content, const i32 len);
-#endif \ No newline at end of file
+#endif
diff --git a/themes/dist/output.js b/themes/dist/output.js
index a11cf80..0e9f1a9 100644
--- a/themes/dist/output.js
+++ b/themes/dist/output.js
@@ -3226,6 +3226,31 @@ var ASM_CONSTS = {
GL.postDrawHandleClientVertexAttribBindings();
}
+ function _glDrawElements(mode, count, type, indices) {
+ var buf;
+ if (!GLctx.currentElementArrayBufferBinding) {
+ var size = GL.calcBufLength(1, type, 0, count);
+ buf = GL.getTempIndexBuffer(size);
+ GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, buf);
+ GLctx.bufferSubData(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/,
+ 0,
+ HEAPU8.subarray(indices, indices + size));
+ // the index is now 0
+ indices = 0;
+ }
+
+ // bind any client-side buffers
+ GL.preDrawHandleClientVertexAttribBindings(count);
+
+ GLctx.drawElements(mode, count, type, indices);
+
+ GL.postDrawHandleClientVertexAttribBindings(count);
+
+ if (!GLctx.currentElementArrayBufferBinding) {
+ GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, null);
+ }
+ }
+
function _glEnable(x0) { GLctx['enable'](x0) }
function _glEnableVertexAttribArray(index) {
@@ -3629,6 +3654,7 @@ var asmLibraryArg = {
"glDepthFunc": _glDepthFunc,
"glDepthMask": _glDepthMask,
"glDrawArrays": _glDrawArrays,
+ "glDrawElements": _glDrawElements,
"glEnable": _glEnable,
"glEnableVertexAttribArray": _glEnableVertexAttribArray,
"glGenBuffers": _glGenBuffers,
@@ -3656,10 +3682,10 @@ var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__w
var _main = Module["_main"] = createExportWrapper("main");
/** @type {function(...*):?} */
-var _free = Module["_free"] = createExportWrapper("free");
+var _malloc = Module["_malloc"] = createExportWrapper("malloc");
/** @type {function(...*):?} */
-var _malloc = Module["_malloc"] = createExportWrapper("malloc");
+var _free = Module["_free"] = createExportWrapper("free");
/** @type {function(...*):?} */
var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location");
diff --git a/themes/dist/output.wasm b/themes/dist/output.wasm
index b8a0e67..4c50e4a 100755
--- a/themes/dist/output.wasm
+++ b/themes/dist/output.wasm
Binary files differ
diff --git a/themes/main.cpp b/themes/main.cpp
index d3966af..ef7d18b 100644
--- a/themes/main.cpp
+++ b/themes/main.cpp
@@ -37,6 +37,9 @@ struct WinterTheme {
};
struct SpringTheme {
+ bool canRenderBunny = false;
+ Mesh3d bunnyMesh;
+
void load(Renderer3D* renderer);
void update(f32 dtSeconds);
void render(Renderer3D* renderer);
@@ -227,17 +230,21 @@ void WinterTheme::unload() {
// -- Spring theme
void onBunnySuccess(emscripten_fetch_t *fetch) {
- printf("Finished downloading %llu bytes from URL %s.\n", fetch->numBytes, fetch->url);
- // The data is now available at fetch->data[0] through fetch->data[fetch->numBytes-1];
- emscripten_fetch_close(fetch); // Free data associated with the fetch.
+ springTheme.canRenderBunny = true;
+ printf("Finished downloading %llu bytes from URL %s.\n", fetch->numBytes, fetch->url);
+ const i32 len = fetch->numBytes;
+ springTheme.bunnyMesh = Mesh3d_fromObj(&renderer3d, fetch->data, len);
+ // The data is now available at fetch->data[0] through fetch->data[fetch->numBytes-1];
+ emscripten_fetch_close(fetch); // Free data associated with the fetch.
}
void onBunnyFail(emscripten_fetch_t *fetch) {
- printf("Downloading %s failed, HTTP failure status code: %d.\n", fetch->url, fetch->status);
- emscripten_fetch_close(fetch); // Also free data on failure.
+ printf("Downloading %s failed, HTTP failure status code: %d.\n", fetch->url, fetch->status);
+ emscripten_fetch_close(fetch); // Also free data on failure.
}
void SpringTheme::load(Renderer3D* renderer) {
+ canRenderBunny = false;
renderer->clearColor = Vector4(160, 231, 160, 255.f).toNormalizedColor();
emscripten_fetch_attr_t attr;
@@ -253,7 +260,12 @@ void SpringTheme::update(f32 dtSeconds) {
}
void SpringTheme::render(Renderer3D* renderer) {
+ renderer->render();
+ if (canRenderBunny) {
+ bunnyMesh.render(renderer);
+ }
}
void SpringTheme::unload() {
-} \ No newline at end of file
+ bunnyMesh.unload();
+}
diff --git a/themes/mathlib.cpp b/themes/mathlib.cpp
index 2e92aa8..702d86c 100644
--- a/themes/mathlib.cpp
+++ b/themes/mathlib.cpp
@@ -572,6 +572,20 @@ void Mat4x4::print() {
printf(" ]\n");
}
+// See https://stackoverflow.com/questions/349050/calculating-a-lookat-matrix for why the dot product is in the bottom
+Mat4x4 Mat4x4::getLookAt(Vector3 eye,Vector3 pointToLookAt, Vector3 up) {
+ Vector3 zAxis = (pointToLookAt - eye).normalize();
+ Vector3 xAxis = zAxis.cross(up).normalize();
+ Vector3 yAxis = xAxis.cross(zAxis).normalize();
+
+ return {
+ { xAxis.x, yAxis.x, -zAxis.x, 0,
+ xAxis.y, yAxis.y, -zAxis.y, 0,
+ xAxis.z, yAxis.z, -zAxis.z, 0,
+ -xAxis.dot(eye), -yAxis.dot(eye), zAxis.dot(eye), 1 }
+ };
+}
+
// ***************************************
// Quaternion
Quaternion::Quaternion() { };
diff --git a/themes/mathlib.h b/themes/mathlib.h
index f89addc..be9aaf6 100644
--- a/themes/mathlib.h
+++ b/themes/mathlib.h
@@ -150,6 +150,7 @@ struct Mat4x4 {
Mat4x4 getOrthographicMatrix(float left, float right, float bottom, float top);
Mat4x4 inverse();
Mat4x4 getPerspectiveProjection(float near, float far, float fieldOfViewRadians, float aspectRatio);
+ Mat4x4 getLookAt(Vector3 eye,Vector3 pointToLookAt, Vector3 up);
void print();
};
diff --git a/themes/resources/bunny.obj b/themes/resources/bunny.obj
index 92bb042..18021c9 100644
--- a/themes/resources/bunny.obj
+++ b/themes/resources/bunny.obj
@@ -1,19 +1,12 @@
-# 3ds Max Wavefront OBJ Exporter v0.94b - (c)2007 guruware
-# File Created: 04.07.2010 09:57:01
-
mtllib bunny.mtl
-#
-# object default
-#
-
v 1.4870 0.3736 2.2576
v 1.5803 0.3451 2.1859
v 1.6275 0.3111 2.2261
v 1.6343 0.0783 2.4352
v 1.5180 0.0644 2.5398
v 1.4568 0.0720 2.5205
-v 1.3953 0.0795 2.5013
+v 1.3953 0.0795 2.g5013
v 1.2850 0.0762 2.5973
v 1.2181 0.0732 2.5862
v 1.1079 0.0698 2.6824